ἰχθύς (ikhthús) 'fish') is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed...

mammals and reptiles. They can be contrasted with the Chondrichthyes (cartilaginous fish) and the extinct placoderms and acanthodians, which have endoskeletons...

skeletal tissue in early ontogenetic stages; in osteichthyans, many cartilaginous elements subsequently ossify through endochondral and perichondral ossification...

Cartilaginous joints are connected entirely by cartilage (fibrocartilage or hyaline). Cartilaginous joints allow more movement between bones than a fibrous...

ray-finned and lobe-finned, including the terrestrial tetrapods) and cartilaginous fishes, as well as extinct prehistoric fish such as placoderms and acanthodians...

Agnatha, and the jawed Gnathostomata. The jawed fish include both the cartilaginous fish and the bony fish. Bony fish include the lobe-finned fish, which...

fibrocartilaginous fusion between two bones. It is a type of cartilaginous joint, specifically a secondary cartilaginous joint. A symphysis is an amphiarthrosis, a slightly...

A synchondrosis (or primary cartilaginous joint) is a type of cartilaginous joint where hyaline cartilage completely joins together two bones. Synchondroses...

that is rich in collagen fibers cartilaginous joint – joined by cartilage. There are two types: primary cartilaginous joints composed of hyaline cartilage...

This list of prehistoric cartilaginous fish genera is an attempt to create a comprehensive listing of all genera that have ever been included in the class...

level of the inferior nasal concha. It consists of a bony part and a cartilaginous part. The bony part (1⁄3) nearest to the middle ear is made of bone...

bridge. The depressed nasal dorsum may involve bony, cartilaginous, or both bony and cartilaginous components of the nasal dorsum. It can usually be corrected...

Doliodus is an extinct genus of cartilaginous fish known from the Early Devonian period of what is now New Brunswick, Canada. It includes a single named...

the full list of the extant species in Class Chondrichthyes, or the cartilaginous fish. Members of this class have a backbone, gills, no swim bladder...

Batomorphi is a division of cartilaginous fishes, commonly known as rays; this taxon is sometimes considered as the superorder Batoidea, but the 5th edition...

The Australian ghostshark (Callorhinchus milii) is a cartilaginous fish (Chondrichthyes) belonging to the subclass Holocephali (chimaera). Sharks, rays...

electric fields. They form a network of mucus-filled pores in the skin of cartilaginous fish (sharks, rays, and chimaeras) and of basal bony fishes such as...

appendicular skeleton; in cartilaginous fish (Chondrichthyes) and jawless fish (Agnatha), fins are fleshy "flippers" supported by a cartilaginous skeleton. The limbs...

The chondrocranium (or cartilaginous neurocranium) is the primitive cartilaginous skeletal structure of the fetal skull that grows to envelop the rapidly...

present on the skulls of dinosaurs of the suborder Marginocephalia or a cartilaginous one as in the frill-necked lizard. In technical terms, the bone-supported...

scleral cartilage if cartilaginous. The Latin name is Anulus [Annulus] ossicularis sclerae. In some species, there may be a cartilaginous cup in the posterior...

forms the outer third of the canal; its anterior and lower wall are cartilaginous, whereas its superior and back wall are fibrous. The cartilage is the...

begins with erosion of mucosal lining and progress with damage to nasal cartilaginous and bony structures. Patients with CIMDL present with chronic nasal...

chondroma is a benign cartilaginous tumor, which is encapsulated with a lobular growing pattern. Tumor cells (chondrocytes, cartilaginous cells) resemble normal...

features shared with both osteichthyans (bony fish) and chondrichthyans (cartilaginous fish). In general body shape, they were similar to modern sharks, but...

are over 32,000 described species of bony fish, over 1,100 species of cartilaginous fish, and over 100 hagfish and lampreys. A third of these fall within...

Congenital cartilaginous rest of the neck (CCRN) is a minor and very rare congenital cutaneous condition characterized by branchial arch remnants that...

anatomical structure found in some groups of animals, used in mating. Male cartilaginous fish have claspers formed from the posterior portion of their pelvic...

Hereditary multiple osteochondromas (HMO), also known as hereditary multiple exostoses, is a disorder characterized by the development of multiple benign...

Chimaeras are cartilaginous fish in the order Chimaeriformes (/kɪˈmɛrɪfɔːrmiːz/), known informally as ghost sharks, rat fish (not to be confused with...

fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians. In...

zoology devoted to the study of fish, including bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase...

Cartilaginous Fish of the Calcaire de Caen Genus Species Location Stratigraphic position Material Notes Image Strophodus S. longidens Département Du Calvados...

Sharks are a group of elasmobranch cartilaginous fishes characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side...

In humans, the cartilaginous bar of the mandibular arch is formed by what are known as Meckel's cartilages (right and left; also known as Meckelian cartilages)...

The Mokattam Formation is a Middle Eocene-aged geological formation in northern Egypt. Consisting of nummulitic marine limestone outcropping across the...

ensiform process, xiphisternum, or metasternum, constitutes a small cartilaginous process (extension) located in the inferior segment of the sternum,...

Wikimedia Commons has media related to 1983 in paleontology. Paleontology or palaeontology is the study of prehistoric life forms on Earth through the...

the support structure inside the fish, is either made of cartilage (cartilaginous fish) or bone (bony fish). The main skeletal element is the vertebral...

Cartilaginous fish reported from the Sao Khua Formation Genus Species Presence Material Notes Images Heteroptychodus H. steinmanni Over 130 fragmentary...

Cartilaginous fish of the Sabinal Formation Genus Species Location Stratigraphic position Material Notes Images Planohybodus P. sp. Yosobé Kimmeridgian...

Cartilaginous fish of the Tar Heel/Coachman Formation Genus Species Location Notes Images "Asteracanthus" A. sp. Phoebus Landing, NC A hybodontid shark...

evolved early in the history of the vertebrates; they are found in both cartilaginous fishes such as sharks, and in bony fishes such as coelacanths and sturgeons...

The Matanuska Formation consists of more than 3 km (1.9 mi) of sedimentary strata exposed in the northern Chugach Mountains, Matanuska Valley, and southern...

The Hornerstown Formation is a latest Cretaceous to early Paleocene-aged geologic formation in New Jersey. It preserves a variety of fossil remains, including...

Cartilaginous Fish of the Lilstock Formation Genus Species Location Stratigraphic position Material Notes Image Agkistracanthus A. mitgelensis A myriacanthid...

Cartilaginous Fish of the Winton Formation Genus Species Location Stratigraphic position Material Notes Image Selachii Indet. Indeterminate A shark...

is a locally aggressive bone tumor of the cartilaginous type. It consists of several hyaline cartilaginous nodules and has the potential of becoming cancerous...

Skates are cartilaginous fish belonging to the family Rajidae in the superorder Batoidea of rays. More than 150 species have been described, in 17 genera...

have been similar. However, Haikouichthys is believed to have had nine cartilaginous pharyngeal arches. The visceral skeleton evolved from structures like...

Cartilaginous fish reported from the Xiushan Formation Genus Species Presence Material Notes Images Chenolepis C. asketa Guizhou. Scales. Also known from...

Cartilaginous Fish of the Hakobuchi Formation Genus Species Location Stratigraphic position Material Notes Images Callorhinchus C. orientalis A callorhinchid...

Several new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes were described during the year 2025, which...

nourishment. The eggs of fish and amphibians (anamniotes) are jellylike. Cartilaginous fish (sharks, skates, rays, chimaeras) eggs are fertilized internally...

the only cartilaginous fish exceeding this number. Adjacent slits are separated by a cartilaginous gill arch from which projects a cartilaginous gill ray...

cervical ribs, ⁣ fused ribs, omovertebral connections which are fibrous, cartilaginous or bony connection between the superomedial angle of scapula with the...

openings from the esophagus to the exterior. Each gill is supported by a cartilaginous or bony gill arch. The gills of vertebrates typically develop in the...

commonly known as stingrays, are one of the four orders of batoids, cartilaginous fishes related to sharks. They are members of the subclass elasmobranchs...

The Kaladongar Formation is the oldest Mesozoic geologic formation of the Kachchh basin. It is found in Patcham Island, Kachchh, Gujarat, India. It is...

junior synonym of M. tenuicaudatus. The New Zealand eagle ray is a cartilaginous fish with a roughly circular disc-like body, a projecting frog-like...

The Calvert Formation is a geologic formation in Maryland, Virginia, and Delaware. It preserves fossils dating back to the early to middle Miocene epoch...

Tropicarium Kolmården is a public aquarium and terrarium, situated outside Kolmården Wildlife Park (but run by a different management), close to Bråviken...

Rhinopristiformes /raɪnoʊˈprɪstɪfɔːrmiːz/ (rhino rays) is an order of rays, cartilaginous fishes related to sharks, containing shovelnose rays and allied groups...

Cartilaginous fish of the Agua Nueva Formation Genus Species Location Member Material Notes Images Aquilolamna A. milarcae Complete skeleton A bizarre...

robin can use their pectoral fins to produce lift while swimming like cartilaginous fish do. The gas/tissue interface at the swim bladder produces a strong...

Elasmobranchii (/ɪˌlæzməˈbræŋkiaɪ/) is a subclass of Chondrichthyes or cartilaginous fish, including modern sharks (division Selachii), and batomorphs (division...

ctenoid scales of perch, or the ganoid scales of sturgeons and gars. Cartilaginous fishes (sharks and rays) are covered with placoid scales. Some species...

This article about a prehistoric cartilaginous fish is a stub. You can help Wikipedia by adding missing information....

The Reuchenette Formation is a Jurassic geologic formation in Switzerland. It is Kimmeridgian in age and predominantly consists of well stratified limestone...

(also known as the cartilage of the septum, quadrangular cartilage, cartilaginous nasal septum, mesrostral cartilage, or mesethmoid cartilage) is composed...

Cartilaginous Fish of the Chuanjie Formation Genus Species Location Stratigraphic position Material Notes Image Hybodus H. chuanjieensis Quarry 1, Lao...

with chondrodysplasia punctata stem from cartilaginous origin. Radiography reveals extensive diffuse cartilaginous calcification. Pulmonary angiography and...

Cartilaginous Fish of the Tacuarembó Formation Genus Species Location Stratigraphic position Material Notes Image Priohybodus P. arambourgi Tacuarembó...

The eagle rays are a group of cartilaginous fishes in the family Myliobatidae, consisting mostly of large species living in the open ocean rather than...

The Pabdeh Formation is a Late Eocene to Early Oligocene-aged geological formation in Iran. It outcrops along the Zagros Mountains. It was deposited in...

The Ashley Formation is a geologic formation in South Carolina. It preserves fossils dating back to the Paleogene period. Paleontology portal List of fossiliferous...

The Chilcatay Formation is a geologic formation located in Peru. The formation was deposited in the Pisco Basin, during the Early Miocene, roughly from...

The Qulonggongba Formation is a Late Triassic (Norian) geologic formation in southern Tibet, near to the border with Nepal, that is part of the Langjiexue...

Cartilaginous Fishes of the Quseir Formation Genus Species Location Stratigraphic position Material Notes Images Scapanorhynchus S. rapax Mut Member Teeth...

Cartilaginous fish of the Riachuelo Formation Genus Species Presence Description Notes Images...

Cartilaginous fishes of the Tuscahoma Formation Genus Species Location Stratigraphic position Material Notes Images Abdounia A. beaugei A requiem shark...

antibodies in sharks. The immunoglobulin new antigen receptor (IgNAR) of cartilaginous fishes (for example sharks) is a heavy-chain antibody. IgNAR shows significant...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

Cartilaginous fish reported from the Eyam Limestone Genus Species Presence Material Notes Images Acanthorhachis A. cf. spinatus Steeplehouse Quarry. Basal...

Cartilaginous fish of the Eutaw Formation Taxa Species State Stratigraphic position Abundance Notes Images Archaeolamna A. kopingensis Alabama A lamniform...

Stethacanthus is an extinct genus of shark-like cartilaginous fish which lived from the Late Devonian to Late Carboniferous epoch, dying out around 298...

The Bahariya Formation (also transcribed as Baharija Formation) is a fossiliferous geologic formation dating back to the early Cenomanian, which outcrops...

trachea (pl.: tracheae or tracheas), also known as the windpipe, is a cartilaginous tube that connects the larynx to the bronchi of the lungs, allowing...

Cartilaginous fish reported from the Rockport Quarry Limestone Genus Species Presence Material Notes Images Phoebodus P. cf. P. sophiae Alpena, Michigan...

The vertebrae are separated by intervertebral discs in a series of cartilaginous joints. The dorsal portion of the spinal column houses the spinal canal...

have a cartilaginous structure. By histologic examination, it is a recapitulation of normal external auricle. There will be skin, cartilaginous structures...

the coast of Sri Lanka. Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral...

The Choptank Formation is a geologic formation in Virginia and Maryland. It preserves fossils dating from the mid-late Miocene of the Neogene period, from...

Silurian and the Devonian periods. While their endoskeletons are mainly cartilaginous, their head and thorax were covered by articulated armoured plates (hence...

fish or rat fish, is a northeast Atlantic and Mediterranean species of cartilaginous fish in the family Chimaeridae. The rabbit fish is known for its characteristically...

The Northumberland Formation is a Late Cretaceous (?Campanian-?Maastrichtian)-aged geologic formation in Canada. It belongs to the larger Nanaimo Group...

reference to the fusion of upper jaw with the skull) is a subclass of cartilaginous fish. The only living holocephalans are the three families of chimaeras...

Helicoprion is an extinct genus of large shark-like cartilaginous fish that lived from the Early to the Middle Permian, about 290-270 million years ago...

Cartilaginous fish of the Pysht Formation Genus Species Presence Material Notes Images Somniosus S. gonzalezi A sleeper shark....

  Extinct in the wild (EW): 11 species   Critically endangered (CR): 906 species   Endangered (EN): 1,533 species   Vulnerable (VU): 1,740 species   Near...

The electric rays are a group of rays, flattened cartilaginous fish with enlarged pectoral fins, composing the order Torpediniformes /tɔːrˈpɛdɪnɪfɔːrmiːz/...

Campylomormyrus curvirostris The sturgeon Acipenser oxyrhynchus has a cartilaginous endoskeleton The ambush predator needlefish Belone belone Seahorses...

Stingrays are a group of rays, a type of cartilaginous fish. They are classified in the suborder Myliobatoidei of the order Myliobatiformes and consist...

helos, 'stud' and Greek: ὀδούς odoús 'tooth') is an extinct genus of cartilaginous fish, with fossils belonging to the genus identified from the Late Devonian...

Cartilaginous fishes of the Judith River Formation Genus Species Location Stratigraphic position Abundance Notes Images Myledaphus M. bipartitus A stingray...

During the time of the deposition of the Niobrara Chalk, much life inhabited the seas of the Western Interior Seaway. By this time in the Late Cretaceous...

Fibrocartilage consists of a mixture of white fibrous tissue and cartilaginous tissue in various proportions. It owes its inflexibility and toughness...

stingray in Wiktionary, the free dictionary. A stingray is a type of cartilaginous fish. Stingray or Sting Ray may also refer to: Joanna Stingray (born...

days also appeared during the late Silurian: the Chondrichthyes (or cartilaginous fish) and the Osteichthyes (or bony fish). The bony fish evolved into...

Xenacanthida) is an order or superorder of extinct shark-like chondrichthyans (cartilaginous fish) known from the Carboniferous to the Late Triassic. They were native...

Pucapampella is an extinct genus of cartilaginous fish from the Middle Devonian of Bolivia and Peru. As currently defined it includes only the type species...

Cartilaginous fishes of the Fort Crittenden Formation Genus Species Location Stratigraphic position Abundance Notes Myledaphus M. bipartitus...

Paleontology portal History of science portal Klug, Tütken, Wings, Pfretzschner, Martin. Friedman, Shimada, Martin, Everhart, Liston, Maltese, Triebold...

Cartilaginous fish reported from the Phu Kradung Formation Genus Species Presence Material Notes Images Acrodus A. kalasinensis Kalasin province. Teeth...

Tingitanius is an extinct genus of platyrhinid that lived during the Turonian stage of the Late Cretaceous epoch. Tingitanius tenuimandibulus is known...

Cartilaginous fish reported from the Arundel Formation Genus Species Location Stratigraphic position Material Notes Images Egertonodus E. basanus Maryland...

Cartilaginous Fish of the Conway Formation Genus Species Location Stratigraphic position Material Notes Image Australopristis A. wiffeni A sawskate...

Harriotta is a genus of cartilaginous fish in the family Rhinochimaeridae. The name honours Thomas Harriot (c.1560‒1621), English astronomer, mathematician...

Look up shark in Wiktionary, the free dictionary. A shark is a cartilaginous, usually carnivorous fish. Shark, Sharks or The Shark may also refer to:...

The Peedee Formation is a geologic formation in North and South Carolina. A marine deposit representing an inner neritic environment, named for exposures...

Sahel Alma are very well-preserved, and include the soft body parts of cartilaginous fish and cephalopods. Palaeoctopus, the first fossil octopus discovered...

body. Normally, these are paired structures, but in birds and some cartilaginous fishes, one or the other side fails to develop (together with the corresponding...

level, and diverse ichthyofauna ranging from small bony fish to large cartilaginous fish like the giant lamniform shark Otodus megalodon which would have...

The Edelman Fossil Park & Museum, located in Mantua Township, New Jersey, features a 66-million-year-old 6-inch (150 mm) bone bed set into a 65-acre (26 ha)...

Genus of cartilaginous fishes...

jawless fish List of placoderms List of acanthodians List of prehistoric cartilaginous fish List of prehistoric bony fish List of indeterminate prehistoric...

further process the food and move it from the mouth to the stomach. Cartilaginous fishes, such as sharks and rays, have one set of oral jaws made mainly...

cartilage of the knee, either to the lateral or medial meniscus. Both are cartilaginous tissues that provide structural integrity to the knee when it undergoes...

Cartilaginous fish of the Mooreville Chalk Formation Genus Species Location Stratigraphic position Abundance Notes Images Cretolamna C. appendiculata...

greater petrosal nerve and (sympathetic) deep petrosal nerve within the cartilaginous substance filling the foramen lacerum. From the foramen lacerum, the...

Other cartilaginous fish reported from the Melovatka Formation Taxon Species Location Stratigraphic position Material Notes Images Chimaeridae Indeterminate...

typically visible. The syndrome involves hypoplasia of variable severity of cartilaginous nasal septum and premaxilla. It includes complete total absence of the...

The fossilized remains of fish eggs have an extensive record going at least as far back as the Devonian and spanning into the Cenozoic era. The eggs of...

The Antlers Formation is a stratum which ranges from Arkansas through southern Oklahoma into northeastern Texas. The stratum is 150 m (490 ft) thick consisting...

The Yorktown Formation is a mapped bedrock unit in the Coastal Plain of Maryland, Virginia, North Carolina and South Carolina. It is overconsolidated and...

Cartilaginous fish reported from the Quiriquina Formation Genus Species Presence Material Notes Images Biropristis B. landbecki Algarrobo Oral teeth A...

of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes that were described during the...

The Mobulidae are a family of cartilaginous fish that includes both devil rays (Mobula) and manta rays, most members of this family are large species...

than sharks. Acanthodians share several features with bony fish and cartilaginous fish; they often have spines supporting their fins. Parexus is recognised...

This is an overview of the fossil flora and fauna of the Maastrichtian-Danian Hell Creek Formation. Insects from the groups Diptera, Zygoptera, and possibly...

representing the first finding of non-dental fossil material of a Permian cartilaginous fish in Kashmir. Duffin & Schweigert (2026) report the first discovery...

The barndoor skate (Dipturus laevis) is a species of marine cartilaginous fish in the skate family Rajidae of the order Rajiformes. It is native to the...

bones (2) Palatine bones (2) Vomer Zygomatic bones (2) Elements of the cartilaginous viscerocranium (i.e., splanchnocranial elements), such as the hyoid...

Hybodontiformes, commonly called hybodonts, are an extinct group of shark-like cartilaginous fish (chondrichthyans) which existed from the late Devonian to the Late...

The Cloverly Formation is a geological formation of Early and Late Cretaceous age (Valanginian to Cenomanian stage) that is present in parts of Montana...

Genus of cartilaginous fishes...

osteochondroplastica (TO) is a rare benign disease of unknown cause, in which multiple cartilaginous or bony submucosal nodules project into the trachea and proximal bronchi...

Cartilaginous fish of the Maastrichtian Taxa Presence Location Description Images †Coupatezia †Coupatezia trempina A myliobatiform ray whose genus survived...

Alaska has a large diversity of marine and freshwater fish found in its waters. the following is a list of species, both native and introduced Genus Entosphenus...

Branchial arches or gill arches are a series of paired bony/cartilaginous "loops" behind the throat (pharyngeal cavity) of fish, which support the fish...

Gogoselachus ("shark from the Gogo Formation") is an extinct genus of cartilaginous fish known from the late Devonian of Australia. It is one of the earliest...

Potamotrygonidae in the order Myliobatiformes, one of the four orders of batoids, cartilaginous fishes related to sharks. They are found in rivers in tropical and subtropical...

Cartilaginous fish of the Aguja Formation Genus Species Location Member Material Notes Images Brachyrhyzodus B. wichitaensis Ten Bits Ranch, west Texas...

The nasal cartilages are structures within the nose that provide form and support to the nasal cavity. The nasal cartilages are made up of a flexible material...

In the ICS geologic timescale, the Langhian is an age or stage in the middle Miocene Epoch/Series. It spans the time between 15.98 Ma and 13.82 (million...

of Big Bend National Park, Texas Squatirhina is an extinct genus of cartilaginous fish, possibly an orectolobid carpet shark. †Synechodus †S. turneri...

Species of cartilaginous fish...

Cartilaginous fish reported from the Khuff Formation Genus Species Location Stratigraphic member Material Notes Images Amelacanthus A. cf. sulcatus Haushi-Huqf...

the extrastapes or hyostapes, is an anatomical structure, generally cartilaginous, found in the middle ear of some tetrapods, which connects the columella...

Rhinochimaera is a genus of cartilaginous fish in the family Rhinochimaeridae, with these species: Rhinochimaera africana Compagno, Stehmann & Ebert,...

separated from the body by a cartilaginous disk, which gradually becomes ossified at its circumference, but remains cartilaginous in its center until advanced...

turtle is a reptile, most of whose body is shielded by a special bony or cartilaginous shell. Turtle(s) may also refer to: European turtle dove (archaic name:...

Species of cartilaginous fish...

of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes, and other fishes of every kind that were described...

mirrorstone." — Pliny the Elder, Natural History XIX.xxiii, "Vegetables of a Cartilaginous Nature—Cucumbers. Pepones" Reportedly, they were also cultivated in...

Protected and endangered cartilaginous fish species of China Order Family Scientific name Common name Chinese name Protection class in China IUCN Red...

2023 is a list of new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes that were described during the...

Lampreys, as with the hagfish, appear eel-like in shape. They have cartilaginous skeletons and have been evolving separately from any other group for...

Apolithabatis (meaning "fossil ray") is an extinct genus of asterodermid rays from the Late Jurassic (Kimmeridgian age) Torleite Formation (Solnhofen Archipelago)...

edge. Bipartite patellas are the result of an ossification of a second cartilaginous layer at the location of an emargination. Previously, bipartite patellas...

Mongolepidida is an order of primitive chondrichthyans (cartilaginous fishes) that lived during the Ordovician and Silurian periods of Asia and North...

Cartilaginous fish reported from the Tropic Shale Genus Species Presence Material Notes Images Cretalamna C. appendiculata Teeth. A megatooth shark. Cretoxyrhina...

corpse) is an extinct genus of spiny shark, an early relative of living cartilaginous fishes (sharks, rays, and chimaeras). Ptomacanthus is known mainly from...

Class †"Placodermi" (placoderms, paraphyletic) Class Chondrichthyes (cartilaginous fish) Clade Osteichthyes (bony fish - includes tetrapods) Clade Ambulacraria...

mammals), which possess a skull and whose notochords are replaced by a cartilaginous/bony axial endoskeleton (spine); Tunicata or Urochordata (sea squirts...

the lower whorl having a greater degree of curvature. As with most cartilaginous fish, preserved skeletal material is rare, due to the cartilage of the...

The Astoria Formation (formerly known as the Astoria shales) is a geologic formation in Washington state & Oregon. It preserves fossils dating back to...

This article about a prehistoric cartilaginous fish is a stub. You can help Wikipedia by adding missing information....

Cartilaginous fish from the Bearpaw Formation Genus Species Location Member Material Notes Images Squalicorax S. sp Alberta Shark Meristodonoides M. montanensis...

Cartilaginous fishes of the Wessex Formation Genus Species Location Stratigraphic Position Abundance Note Images Egertonodus H. basanus A hybodontid hybodont...

Cartilaginous fish of the Kirtland Formation Genus Species Location Member Abundance Notes Myledaphus M. bipartitus De-na-zin Member of the Willow Wash...

Species of cartilaginous fish...

Qianodus (from the Chinese: 黔, 'Qian', the ancient name for Guizhou and the Greek: ὀδούς, odus, 'tooth') is a jawed vertebrate genus that is based on disarticulated...

Aquilolamna is an extinct genus of shark-like elasmobranch from the Late Cretaceous (Turonian)-aged Agua Nueva Formation of Mexico. It is currently known...

Chimaeropsis is an extinct genus of cartilaginous fish related to modern chimaeras, known from the Jurassic of Europe. The genus and species Chimaeropsis...

legendary ancestor of the Crow Tribe) is a genus of extinct petalodontiform cartilaginous fish that lived during the Early Carboniferous. Fossils of Belantsea...

distribute' and Greek: ἄκανθα akantha, 'spine') is an extinct genus of cartilaginous fish in the family Palaeospinacidae. The species N. elegans is from...

Cartilaginous fishes reported from the Milk River Formation Genus Species Location Stratigraphic position Material Notes Lonchidion Indeterminate Hybodontoidea...

The spotted eagle ray (Aetobatus narinari) is a cartilaginous fish of the eagle ray family, Aetobatidae. As traditionally recognized, it is found globally...

Family of cartilaginous fishes...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

symmoriiform cartilaginous fish from the Carboniferous period of Arkansas. The type species, Ozarcus mapesae, was named in 2014 based on cartilaginous skulls...

tetraedra †Dasyatis vicaryi †Dasyatis wochadunensis List of prehistoric cartilaginous fish Sepkoski, Jack (2002). "A compendium of fossil marine animal genera...

†Acanthodiformes †"Climatiiformes" †Diplacanthiformes †Ischnacanthiformes Cartilaginous Elasmobranchii †Ctenacanthiformes †Hybodontiformes †Phoebodontiformes...

(there is no evidence yet showing that EMC exhibits the feature of cartilaginous differentiation), and neuroendocrine differentiation is even possible...

through six and works to depress the ribs. The sternum develops from two cartilaginous bars one on the left and one on the right, connected with the cartilages...

Pochitaserra (lit. Pochita saw) is an extinct genus of sawshark in the family Pristiophoridae. It was discovered in the Bahía Inglesa Formation in Chile...

shark, whose spine and brain case is relatively highly calcified for a cartilaginous fish, can be expected to produce a similar shape to a plesiosaur. The...

After suffering large losses during the Late Devonian extinctions, cartilaginous fishes (Chondrichthyes) and the Actinopterygii among the bony fishes...

The American legskate (Schroederobatis americana) is a species of cartilaginous fish, a ray, belonging to the family Anacanthobatidae, the smooth skates...

Pygmy skates are cartilaginous fish belonging to the family Gurgesiellidae in the superorder Batoidea of rays. Nineteen species in three genera are known...

Cartilaginous fish reported from the Lueders Formation Genus Species Presence Material Notes Images Acrodus ?A. olsoni Teeth. A hybodont. ?A. sweetlacruzensis...

jawed fish, which include placoderms, acanthodians (which gave rise to cartilaginous fish) and osteichthyan (bony fish, further divided into lobe-finned...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

Species of cartilaginous fish...

Species of cartilaginous fish...

Extinct genus of cartilaginous fishes...

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Species of cartilaginous fish...

diet. Known from a variety of fossil remains, including disarticulated cartilaginous skeletons, articulated dentition, and dorsal fin spines. Some fin spines...

The Vikinghøgda Formation is a geologic formation in Svalbard, Norway. It preserves fossils dating back to the Early Triassic (Griesbachian-Spathian) period...

or the whitespotted eagle ray, Aetobatus ocellatus, is a species of cartilaginous fish in the eagle ray family Myliobatidae. It is found in the tropical...

bronchomalacia. Primary bronchomalacia is due to a deficiency in the cartilaginous rings. Secondary bronchomalacia may occur by extrinsic compression from...

Species of cartilaginous fish...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

Species of cartilaginous fish...

Species of cartilaginous fish...

Species of cartilaginous fish...

of only loosely connected bones. Lampreys and sharks only possess a cartilaginous endocranium, with both the upper jaw and the lower jaws being separate...

"upper mandible". Cartilaginous fish, such as sharks, also lack a true maxilla. Their upper jaw is instead formed from a cartilaginous bar that is not homologous...

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Cartilaginous fishes of the Laramie Formation Genus Species Location Stratigraphic position Abundance Notes Texatrygon cf. T. avonicola Ptychotrygonidae...

Species of cartilaginous fish...

Species of cartilaginous fish...

have critically endangered subpopulations (or stocks) are indicated. Cartilaginous fishes include sharks, rays, skates, and shovelnose rays. The majority...

Cladoselachidae is an extinct family of cartilaginous fishes closely related to, and possibly nested within, Symmoriiformes. They are characterized by...

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Species of cartilaginous fish...

probably involved latching onto the female with claspers, like modern cartilaginous fish). The first attempt to reconstruct the jaw of megalodon was made...

The Kristianstad Basin is a Cretaceous-age structural basin and geological formation in northeastern Skåne, the southernmost province of Sweden. The sediments...

2024 is a list of new fossil taxa of jawless vertebrates, placoderms, cartilaginous fishes, bony fishes, and other fishes that were described during the...

XP_051927990.1 185 25.6 33.8 Cartilaginous Fishes Callorhinchus milii Australian Ghostshark 462 XP_007905786.1 144 38.8 52.5 Cartilaginous Fishes Chiloscyllium...

(pnoḗ) “breathing, breath”. All lungfish demonstrate an uninterrupted cartilaginous notochord and an extensively developed palatal dentition. Basal ("primitive")...

present) of many vertebrate animals. All amphibians, reptiles, birds, cartilaginous fish and a few mammals (monotremes, afrosoricids, and marsupial moles)...

Species of cartilaginous fish...

Species of cartilaginous fish...

Atoll. Rays, including guitarfish, belong to the ancient lineage of cartilaginous fishes. Fossil denticles (tooth-like scales in the skin) resembling...

of electric rays (order Torpediniformes). They are bottom-dwelling cartilaginous fishes with large, rounded pectoral fin discs and long tails. They can...

Gill rakers in fish are bony or cartilaginous processes that project from the branchial arch (gill arch) and are involved with suspension feeding tiny...

The Muwaqqar Chalk-Marl Formation or Muwaqqar Formation is a Late Cretaceous (Maastrichtian) and early Paleogene-aged geological formation in Jordan, cropping...

The spotted legskate (Anacanthobatis marmorata) is a species of cartilaginous fish, a ray belonging to the family Anacanthobatidae, the smooth skates...

Species of cartilaginous fish...

Species of cartilaginous fish...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

fishes described in 2014 is a list of new taxa of placoderms, fossil cartilaginous fishes and bony fishess of every kind that have been described during...

Washington state has a large diversity of marine and freshwater fish found in its waters. the following is a list of species, both native and introduced...

Komoksodon is an extinct genus of hexanchiform shark known from the Late Cretaceous to the Paleocene. It is the only member of the monotypic family Komoksodontidae...

Cartilaginous fish reported from the Paw Paw Formation Genus Species Presence Material Notes Images Cretalamna C. appendiculata Roanoke SMU locality 241...

Species of cartilaginous fish...

cartilage and nasal septum. Connective tissue and skin cover the bony and cartilaginous components of the nasal dorsum. The floor of the nasal cavities, which...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

Xylacanthus is a genus of extinct acanthodian fish belonging to the family Ischnacanthidae. It lived during the Silurian to Devonian periods. Three species...

Matthew G.; Davis, Matthew P. (2016-11-01). "Evolution of Venomous Cartilaginous and Ray-Finned Fishes". Integrative and Comparative Biology. 56 (5):...

Stem-Chondrichthyes Also known from the Belèn Formation, one of the most basal known cartilaginous fish Meperocrinus M. angelina Emperocrinidae (Camerata) Has unusual...

Rarely involves the TMJ. The cause is unknown. In this condition, cartilaginous metaplasia takes place within the synovial membrane of the joint. Metaplastic...

Cartilaginous fish of the Demopolis Chalk Formation Genus Species Presence Notes Images Chimaeriformes indet. Alabama Cretolamna C. appendiculata Alabama...

The Aridal Formation in the Sahara Desert of southwestern Morocco is a fossil formation with rocks dating to the Lutetian - Priabonian (47.8 - 33.9 million...

oldest group of living jawed chondrichthyes. They possess the same cartilaginous skeleton seen in sharks, but are considered holocephalans to distinguish...

and Greek: ὀδούς odoús 'tooth') is an extinct genus of orodontiform cartilaginous fish. Fossils are known from the late Devonian to Late Carboniferous...

The New Egypt Formation is a Late Cretaceous (late Maastrichtian-aged) geologic formation of the Monmouth Group in New Jersey, United States. The basal...

Atlantic cartilaginous fish...

"New representatives of monocotylids (Monogenea: Monocotylidae) from cartilaginous fishes of the South China and Yellow Seas". Trudy Zoologicheskogo Instituta...

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χωμα choma, 'mound' and Greek: ὀδούς odoús 'tooth') is a prehistoric cartilaginous fish genus. †Chomatodus affinis Newberry & Worthen, 1866 †Chomatodus...

(also called Eugeneodontida) is an extinct and poorly known order of cartilaginous fishes. They possessed "tooth-whorls" on the symphysis of either the...

Species of cartilaginous fish...

(amphibians, reptiles and mammals) than to the common ray-finned fishes and cartilaginous fishes. They are found along the coastlines of the Indian Ocean and...

Macadens is an extinct genus of cartilaginous fish, likely belonging to the subclass Holocephali, discovered in Mammoth Cave National Park, Kentucky....

The blonde ray or blonde skate (Raja brachyura) is a species of cartilaginous fish in the skate family Rajidae. It is found in the Eastern Atlantic and...

to sharks: Sharks (division Selachii) are a type of fish with a full cartilaginous skeleton and a highly streamlined body. The earliest known sharks date...

Species of cartilaginous fish...

Cartilaginous fish (Chondrichthyes and Acanthodii) of East Kirkton Genus / Taxon Species Strata Material Notes Images Acanthodidae? Indeterminate Little...

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Springeria is a genus of cartilaginous fish belonging to the family Anacanthobatidae, the smooth skates. The two species in this genus are found in the...

†Acanthodiformes †"Climatiiformes" †Diplacanthiformes †Ischnacanthiformes Cartilaginous Elasmobranchii †Ctenacanthiformes †Hybodontiformes †Phoebodontiformes...

Species of cartilaginous fish...

and subclass Elasmobranchii. This is a subclass of Chondrichthyes, or cartilaginous fish like other rays, skates, and sharks. The pectoral fin disc of the...

doi:10.2305/IUCN.UK.2009.RLTS.T165290A6000553.en. Blyth, E. (1860). "The cartilaginous fishes of lower Bengal". Journal and Proceedings of the Asiatic Society...

The Bladen Formation is a geologic formation from the Late Cretaceous (middle Campanian) of North Carolina and South Carolina, USA. It is known for a plethora...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

descendants of placoderms, the bony and cartilaginous fishes, and their extinct descendants, the Acanthodii (without cartilaginous fishes), are not included here...

Species of cartilaginous fish...

three divergent copies. IgW is in the same group as the IgW known from cartilaginous fish (see below). Each gene has two splice variants, short (S) with...

divided anatomically into three components based on tissue content: a cartilaginous component (epiphyseal plate), a bony component (metaphysis) and a fibrous...

Species of cartilaginous fish...

Species of cartilaginous fish...

Genus of cartilaginous fishes...

Species of cartilaginous fish...

MRI. They are considered to be vertical disc herniations through the cartilaginous vertebral body endplates. Schmorl's nodes can sometimes be seen radiographically...

Species of cartilaginous fish...

cartilaginous fish which leads to modern sharks and rays. More recent studies have identified distinctive traits of the chondrocranium (cartilaginous...

Species of cartilaginous fish...

of the bony fish taxon Chondrostei, a group of bony fishes that have cartilaginous skeletons superficially similar to the skeletons seen in the unrelated...

hernia, and hydrocele testis. Mesothelioma[citation needed] Hydrocele Cartilaginous bodies Hematocele "Anatonomina". www.terminologia-anatomica.org. Retrieved...

the Mojave Desert near Ridgecrest. Fossils of mammals, reptiles, and cartilaginous fish are found in a few late Paleocene (Tiffanian age) sites from this...

vulnerable. The Yantai stingray was described by Yuanting Chu in his 1960 Cartilaginous Fishes of China, based on specimens obtained from the Shanghai Fish...

The Eocene-aged Monte Bolca fossil site near Verona, Italy was one of the first lagerstatte to be discovered to science, and still has one of the most...

The Paskapoo Formation is a stratigraphic unit of Middle to Late Paleocene age in the Western Canada Sedimentary Basin. The Paskapoo underlies much of...

Sarcoprion (from the Ancient Greek, "flesh saw") is an extinct genus of cartilaginous fish from the Late Permian of Greenland. It possessed an arching row...

be the sister group of the last common ancestor of Chondrichthyes (cartilaginous fish) and Osteichthyes (bony fish). This makes J. schultzei a sister...

tail. In some species, regrown tails are pinkish. A regrown tail has a cartilaginous rod for support instead of vertebrae. Plestiodon are all[citation needed]...

Typically growing no more than 15 cm (5.9 in) long, it may be the smallest cartilaginous fish. The finless sleeper ray is the only electric ray that lacks dorsal...

Genus of cartilaginous fishes...

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Chimaera is the type genus of the cartilaginous fish family Chimaeridae. There are currently 16 recognized species in this genus: Chimaera argiloba Last...

is typically eaten on Þorláksmessa, December 23. Skates (hongeo) are cartilaginous fish that excrete uric acid through the skin, rather than by urinating...

Species of cartilaginous fish...

serves the purpose of transmitting sounds from the eardrum, often via a cartilaginous or bony extracolumella. It is an evolutionary homolog of the stapes...

into two main groups: fish with bony internal skeletons and fish with cartilaginous internal skeletons. Fish anatomy and physiology generally includes a...

Species of cartilaginous fish...

Cartilaginous fishes of the Kimmeridge clay Formation Genus Species Location Stratigraphic Position Abundance Notes Images Asteracanthus Indeterminate...

Species of cartilaginous fish...

Species of cartilaginous fish...

mammals. This is connected indirectly with the eardrum via a usually cartilaginous extracolumella and medially to the inner-ear spaces via a widened footplate...

top of a tongue-like piston cartilage, and the hagfish have a fixed cartilaginous plate on the floor of its mouth with groves that allows tooth plates...

is found in a substantial minority of people and takes the form of a cartilaginous node or bump on the rim of their outer ear, which is thought to be the...

or carry long soft or coarse hairs. The texture of the leaves may be cartilaginous, leathery or herbaceous. The flowers are at the end of one or several...

Genus of cartilaginous fishes...

Species of cartilaginous fish...

Species of cartilaginous fish...

Genus of cartilaginous fishes...

The Green River Formation is a geological formation located in the Intermountain West of the United States, in the states of Colorado, Utah, and Wyoming...

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fishes described in 2013 is a list of new taxa of placoderms, fossil cartilaginous fishes and bony fishess of every kind that have been described during...

Kanodus is an extinct genus of cartilaginous fish in the order Cochliodontiformes. The genus lived during the Guadalupian epoch of the Permian period...

Wikimedia Commons has media related to 1985 in paleontology. Paleontology or palaeontology is the study of prehistoric life forms on Earth through the...

Species of cartilaginous fish...

Nanocetorhinus is an extinct genus of cartilaginous fishes in the subclass Neoselachii from the Late Oligocene to Middle Miocene. The type species N....

Genus of cartilaginous fishes...

cartilages. These ribs are relatively small and delicate, and include a cartilaginous tip. The spaces between the ribs are known as intercostal spaces; they...

Species of cartilaginous fish...

salt gland is an organ for excreting excess salts. It is found in the cartilaginous fishes subclass elasmobranchii (sharks, rays, and skates), seabirds...

derived from a retinal tapetum. Choroidal guainine tapetum, as seen in cartilaginous fish. The tapetum is a palisade of cells containing stacks of flat hexagonal...

melanyae (CASE, 1980) M. pectinata Cappetta, 1970 List of prehistoric cartilaginous fish Sepkoski, Jack (2002). "A compendium of fossil marine animal genera...

Species of cartilaginous fish...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

fibroma Osteochondromyxoma Locally aggressive Chondromatosis Atypical cartilaginous tumor Cancerous (chondrosarcoma) Conventional chondrosarcoma grade I-III...

Wiktionary, the free dictionary. Ray or RAY may refer to: Ray (fish), any cartilaginous fish of the superorder Batoidea Ray (fish fin anatomy), the bony or...

The Sannine Formation, also called the Sannine Limestone, is a Cretaceous geologic formation in Lebanon. It is a Konservat-Lagerstätte that contains a...

A list of prehistoric and extant species whose fossils have been found in the London Clay, which underlies large areas of southeast England. Plant fossils...

Species of cartilaginous fish...

Australia A gnathostome of uncertain phylogenetic placement, a possible cartilaginous fish. The type species is Tantalepis gatehousei. Texasodus Gen. et sp...

Triodus is an extinct genus of xenacanthiform cartilaginous fish that lived from the Carboniferous to the Permian. In 2017, a new species Triodus richterae...

Species of cartilaginous fish...

synonymous with the sandbar shark. Sharks portal List of prehistoric cartilaginous fish genera Carrier, J.C.; J.A. Musick & M.R. Heithaus (2004). Biology...

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Genus of cartilaginous fishes...

Species of cartilaginous fish...

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Species of cartilaginous fish...

Species of cartilaginous fish...

Species of cartilaginous fish...

Extinct genus of cartilaginous fishes...

Species of cartilaginous fish...

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Species of cartilaginous fish...

lampreys, a diverse assortment of placoderms, acanthodians and other cartilaginous fish, and bony fish including actinopterygians and lobe-finned fish...

Fossilized teeth of the Permian-Paleocene cartilaginous fish Acrodus...

Species of cartilaginous fish...

control its limbs even if its head is obscured. The cranium has two cartilaginous capsules each containing one large eye, which resembles those of fish...

large as an apple of moderate size; the shell of it was formed of a cartilaginous substance, and it was surrounded with numerous cupules, as it were,...

Species of cartilaginous fish...

seen as a synonym of M. antarcticus Sharks portal List of prehistoric cartilaginous fish Sepkoski, J. (2002). "A compendium of fossil marine animal genera...

Extinct genus of cartilaginous fishes...

the reticulated round ray, or spot-on-spot round ray, is a species of cartilaginous fish in the family Urotrygonidae. It is endemic to Mexico. Its natural...

Cartilaginous fish reported from the Pierre Shale Formation Genus Species Presence Stratigraphic position Material Notes Images Archaeolamna A. kopingensis...

Zhelezko, 1999 Sharks portal List of sharks Shark List of prehistoric cartilaginous fish Froese, Rainer; Pauly, Daniel (eds.). "Family Lamnidae". FishBase...

Species of cartilaginous fish...

Squatina japonica Squatina squatina List of sharks List of prehistoric cartilaginous fish Guitarfish Stevens, J. & Last, P.R. (1998). Paxton, J.R. & Eschmeyer...

Species of cartilaginous fish...

and grinding teeth. While the affinity of Ptychodus as some kind of cartilaginous fish has long been accepted, the exact position in the group was long...

Species of cartilaginous fish...

Species of cartilaginous fish...

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Species of cartilaginous fish...

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fishes that diverged over 400 million years ago, including the lampreys, cartilaginous fishes, and bony fishes. Most amphibian larvae and some fully aquatic...

Species of cartilaginous fish...

The pubic symphysis (pl.: symphyses) is a secondary cartilaginous joint between the left and right superior rami of the pubis of the hip bones. It is...

Debeeriidae is an extinct family of cartilaginous fish from the Mississippian subperiod of the Carboniferous period. It is the only family of the order...

Lonchidionoides is an extinct genus of hybodont in the family Lonchidiidae. The genus contains a single named species, Lonchidionoides trifurcatum, known...

The Wasatch Formation (Tw) is an extensive highly fossiliferous geologic formation stretching across several basins in Idaho, Montana, Wyoming, Utah and...

of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fish, bony fish, and other fish of every kind described during the year...

Restoration of the Carboniferous-Early Triassic cartilaginous fish Listracanthus...

fertilizer, liver oil and pet food. Because of their availability, cartilaginous skulls and small sizes, they are popular vertebrate dissection specimens...

Genus of cartilaginous fishes...

Ocean. Often seen by divers at night in the Pacific Northwest, this cartilaginous fish gets its characteristic name from a pointed rat-like tail. The...

Species of cartilaginous fish...

The Claremont Shale is a Miocene epoch geologic formation in the Berkeley Hills of the East Bay region of the San Francisco Bay Area, California. It is...

The largest prehistoric animals include both vertebrate and invertebrate species. Many of them are described below, along with their typical range of size...

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Extinct genus of cartilaginous fishes...

Harpagofututor is an extinct genus of eel-like cartilaginous fish from the Early Carboniferous (Mississippian). It is primarily known from complete specimens...

Genus of cartilaginous fishes...

Cartilaginous fishes reported from the Moreno Formation Genus Species Location Member Material Notes Images Heptranchias H. sp...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

Paratrygon is a genus of cartilaginous fish in the family Potamotrygonidae. There are currently seven recognized species: Paratrygon aiereba J. P. Müller...

Species of cartilaginous fish...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

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Species of cartilaginous fish...

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Species of cartilaginous fish...

Species of cartilaginous fish...

Caliraja is a genus of cartilaginous fish, rays, belonging to the family Rajidae, the skates. These skates are found in the Eastern Pacific Ocean. Caliraja...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

Species of cartilaginous fish...

The common guitarfish (Rhinobatos rhinobatos) is a species of cartilaginous fish in the family Rhinobatidae. It is native to the eastern Atlantic Ocean...

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Species of cartilaginous fish...

Species of cartilaginous fish...

The list of marine vertebrates of the Cape Peninsula and False Bay is a list of marine and shore-based vertebrate animal species that form a part of the...

The swim bladder in these fish is reduced, and the skull is mostly cartilaginous and not well-ossified, unlike the adults of most larger ictalurids....

Extinct genus of cartilaginous fishes...

Cartilaginous Fishes of the Cedar Mountain Formation Genus Species Location Member Abundance Description Images Hybodus Hybodus sp. Ruby Ranch Member...

commonly than males. This condition occurs in the presence of an osseous, cartilaginous or fibrous septum in the central portion of the spinal canal which then...

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Symmoriiformes is an extinct order of cartilaginous fish. Originally named Symmoriida by Zangerl (1981), the name has since been corrected to Symmoriiformes...

Ossification starts as membranous ossification before birth. After birth, the cartilaginous components would undergo endochondral ossification. The larger part...

The Nanjemoy Formation is a geologic formation pertaining to both the Wilcox Group and the Pamunkey Group of the eastern United States, stretching across...

Species of cartilaginous fish...

Extinct species of cartilaginous fish...

Species of cartilaginous fish...

Agassiz, 1843 †Rhinoptera woodwardi Agassiz, 1843 List of prehistoric cartilaginous fish Sepkoski, J. (2002). "A compendium of fossil marine animal genera...

elephantfish (Callorhinchus capensis) is species of chimaera (a type of cartilaginous fish) in the genus Callorhinchus. It is native to the waters surrounding...

gill lamellae, allowing some oxygen to be absorbed from the water. Cartilaginous ratfishes (chimaeras) possess soft and flexible opercular flaps. Sharks...

appearance of H. serra, as there are no known fossils preserving its cartilaginous skeleton at present. Djafar, Agustina; Suharyogi, Ifan Yoga Pratama;...

Ornithoprion is an extinct genus of cartilaginous fish. The only known species, O. hertwigi, lived during the Moscovian stage of the Pennsylvanian subperiod...

Malmideaceae. They are characterized by their stalked and sometimes branched cartilaginous soredia and Bacidia-like apothecia. Crustospathula was circumscribed...

Genus of cartilaginous fishes...

Stem-Chondrichthyes Also known from the Icla Formation, one of the most basal known cartilaginous fish Tuberocrinus T. lapazensis Tuberocrinidae (Camerata) Placed in...

Species of cartilaginous fish...

Species of cartilaginous fish...

The Serravallian is, in the geologic timescale, an age or a stage in the middle Miocene Epoch/Series, which spans the time between 13.82 Ma and 11.63 Ma...

(meaning 'cave Cladodus' or 'cave branching-tooth') is an extinct genus of cartilaginous fish in the family Ctenacanthidae. Remains are known from limestone...

Velvet antler is the whole cartilaginous antler in a precalcified growth stage of the Cervidae family, including the species of deer, such as red deer...

The small-eyed rabbitfish (Hydrolagus affinis) is a marine, demersal, cartilaginous fish of the family Chimaeridae. This fish inhabits deep waters of the...

Species of cartilaginous fish...

an Israeli cyber intelligence company Sixgill stingray, a species of cartilaginous fish Sixgill sawshark, a species of shark Hexanchus, a genus of shark...

Species of cartilaginous fish...

Species of cartilaginous fish...

†Acanthodiformes †"Climatiiformes" †Diplacanthiformes †Ischnacanthiformes Cartilaginous Elasmobranchii †Ctenacanthiformes †Hybodontiformes †Phoebodontiformes...

Harpacanthus is an extinct genus of cartilaginous fish. Traquair, R.H. (1886). "On Harpacanthus, a new genus of Carboniferous Selachian Spines" (PDF)...

Batomorphi, often referred to as the superorder Batoidea, flattened cartilaginous fishes related to sharks. Rajiforms are distinguished by the presence...

Species of cartilaginous fish...

Genus of cartilaginous fishes...

Species of cartilaginous fish...

thrombosis is suspected. Ultrasound is an accurate method for examining the cartilaginous cap of the osteochondroma. It is also a way of pinpointing bursitis...

length of 15 years, and can grow as old as 24 years. It is a predatory cartilaginous fish, preying mostly on small invertebrates, polychaete worms, and some...

Species of cartilaginous fish...

Akmonistion is an extinct genus of cartilaginous fish that lived in the Early Carboniferous. The genus contains a single species, A. zangerli, discovered...

bear shells; the Cymbuliidae shed their larval shells and develop a cartilaginous pseudoconch in adulthood. Only the Desmopteridae lack any rigid covering...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

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Species of cartilaginous fish...

synovial joints in all major groups of jawed vertebrates, including cartilaginous fishes (sharks, skates, and rays), bony fishes, and tetrapods. They...

as with the Coast foam-nest treefrog, Chiromantis xerampelina. Male cartilaginous fishes (sharks and rays), as well as the males of some live-bearing...

for Morocco, combined with "σέλαχος" ("selachos"), the Greek word for cartilaginous fish. The specific name, "mohamezanei", honors Moha Mezane, a French...

Species of cartilaginous fish...

Like other sturgeons, this species is a bottom feeder and has a partly cartilaginous skeleton, an overall streamlined shape, and skin bearing rows of bony...

Genus of cartilaginous fishes...

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paddlefish is a smooth-skinned freshwater fish with an almost entirely cartilaginous skeleton and a paddle-shaped rostrum (snout), which extends nearly one-third...

Genus of cartilaginous fishes...

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This article about a prehistoric cartilaginous fish is a stub. You can help Wikipedia by adding missing information....

Species of cartilaginous fish...

Psammodus is an extinct genus of cartilaginous fish known from the Late Devonian to the Early Carboniferous period. It is the only member of the family...

into: The membranous viscerocranium, comprising the facial skeleton The cartilaginous viscerocranium, comprising the splanchnocranium In comparative anatomy...

In his original description, Villars characterised the species as a cartilaginous lichen with a black lower surface and brown upper surface, divided into...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

Wikimedia Commons has media related to 2009 in paleontology. Paleontology or palaeontology is the study of prehistoric life forms on Earth through the...

Basin. Cainozoic Research, 21(2), 173–192 Kent, B. W. (2018). "The Cartilaginous Fishes (Chimaeras, Sharks, and Rays) of Calvert Cliffs, Maryland, USA"...

margins of the pectorals, and the ventral side of the disc and tail. Cartilaginous fishes, including skates, exhibit sexual dimorphism. Female Jensen's...

This article about a prehistoric cartilaginous fish is a stub. You can help Wikipedia by adding missing information....

Poracanthodes is a genus of acanthodian fish belonging to the Ischnacanthidae family. It lived during the Late Silurian period. Its fossils have been discovered...

of new taxa of jawless vertebrates, placoderms, acanthodians, fossil cartilaginous fishes, bony fishes and other fishes of every kind that have been described...

Species of cartilaginous fish...

form of duct to transfer the sperm from the testes to the urethra. In cartilaginous fish and amphibians, sperm are carried through the archinephric duct...

A deviated septum is an abnormal condition in which the top of the cartilaginous ridge leans to the left or the right, causing obstruction of the affected...

typical source of such trauma. The structure of the ear is supported by a cartilaginous scaffold consisting of the following distinct components: the helix...

Demersal cod flatfish pollock Major groups Jawless Hagfish Lampreys Cartilaginous Chimaeras Sharks Rays Bony Ray-finned Teleost Fleshy-finned Lists Aquarium...

Cartilaginous bone development that forms the long bones...

the clade Batomorphi within the class Elasmobranchii, a class of all cartilaginous fish. Typically, guitarfish are found in temperate to coastal regions...

of all fishes, include both oceanic and freshwater species, and both cartilaginous and bony fishes. Electric fish produce their electrical fields from...

membranous part, consisting of flat bones, which surround the brain; and the cartilaginous part, or chondrocranium, which forms bones of the base of the skull...

bronze coloration. Feeding mainly on cephalopods, bony fishes, and other cartilaginous fishes, the copper shark is a fast-swimming predator that has been known...

Species of cartilaginous fish...

marine cartilaginous fish in the family Rhinochimaeridae found near China, Japan, Mozambique, South Africa, and Taiwan. Chimaeras are cartilaginous fishes...

continuous, measuring 5–10 mm across and only 10–20 μm thick, with a cartilaginous outer layer. Its surface is irregularly warty (verrucose) due to clusters...

Species of cartilaginous fish...

few fossilized skeletons of manta rays have been discovered. Their cartilaginous skeletons do not preserve well, as they lack the calcification of the...

colour, and have a distinctive smooth, hard, firm-textured surface, with cartilaginous margins. The leaves are erect and relatively straight (or only slightly...

Family of cartilaginous fishes...

Gymnura lessae, or Lessa's butterfly ray, is a cartilaginous fish (batoid) species of butterfly ray (Gymnura). Native to the coastlines stretching from...

Restoration of the Carboniferous-Permian cartilaginous fish Orodus...

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†Acanthodiformes †"Climatiiformes" †Diplacanthiformes †Ischnacanthiformes Cartilaginous Elasmobranchii †Ctenacanthiformes †Hybodontiformes †Phoebodontiformes...