may prove to be even earlier than any redlichiid species. In terms of anatomical comparison, the earliest redlichiid species are probably ancestral to all...

Acadoparadoxides is an extinct genus of redlichiid trilobite belonging to the family Paradoxididae. These fast-moving low-level epifaunal carnivores lived...

Miaolingian are defined by GSSPs. The olenellids, eodiscids, and most redlichiids trilobites went extinct at the boundary between Series 2 and the Miaolingian...

Hydrocephalus ("water head") is an extinct genus of redlichiid trilobite that was very common during the Middle Cambrian of Eurasia and North America,...

Redlichia is a genus of redlichiid trilobite in the family Redlichiidae, with large to very large species (up to 35 centimetres or 14 inches long). They...

Fallotaspidella is an extinct genus of redlichiid trilobites. It lived during the late Atdabanian stage, which lasted from 530 to 524 million years ago...

Olenellus is an extinct genus of redlichiid trilobites, with species of average size (about 5 centimetres or 2.0 inches long). It lived during the Botomian...

Yunnanaspis is an extinct genus of redlichiid trilobite of what is now China. It lived during the later part of the Botomian stage, which lasted from approximately...

Gigantopygus is an extinct genus of redlichiid trilobites. It lived during the early part of the Botomian stage, a faunal stage during the Early Cambrian...

Anabaraspis is a genus of redlichiid trilobite, A. splendens occurs in the uppermost Lower Cambrian and lowest Middle Cambrian of Russia (Toyonian and...

Redlichiidae is a family of redlichiid trilobites which lived from the Botomian to the Middle Cambrian period. It contains the following genera, divided...

Olenellidae is an extinct family of redlichiid trilobite arthropods. Olenellids lived during the late Lower Cambrian (Botomian/Toyonian) in the Olenellus-zone...

Chengjiangaspis chengjiangensis is an extinct redlichiid trilobite that lived during the early part of the Botomian stage, of the Early Cambrian period...

et al. 2023. The earliest trilobites known from the fossil record are redlichiids and ptychopariid bigotinids dated to around 520 million years ago. Contenders...

jakutensis, has long been the earliest known trilobite, but recently the redlichiid Lemdadella has been claimed as occurring even earlier. ”Fallotaspidoidea”...

Fallotaspis is a genus of redlichiid trilobites found in Early Cambrian-aged strata of the United States and Morocco. The generic name, Fallotaspis, is...

Xystridura is a genus of redlichiid trilobite described originally from the Middle Cambrian (Miaolingian) strata of Queensland, Australia. The genus ranges...

Archaeaspis is an extinct genus of redlichiid trilobites. It lived during the late Atdabanian stage, which lasted from 521 to 514 million years ago during...

Biceratops is an extinct genus of olenelloid redlichiid trilobites, of average size, with the largest specimen 8 centimetres or 3.1 inches long, not including...

Zhangshania is an extinct genus of redlichiid trilobite. It lived during the later part of the Botomian stage, which lasted from approximately 524 to 518...

Biceratopsidae is an extinct family of redlichiid trilobites, with species of small to average size. Species of belonging to this family lived during the...

Nevadia is an extinct genus of redlichiid trilobites, with species of average size (about 3.5 centimetres or 1.4 inches long). It lived during the Atdabanian...

Ushbaspis is an extinct genus of redlichiid trilobites in the family Redlichiidae. It lived during the early part of the Botomian stage, which lasted from...

Redlichia takooensis is a species of redlichiid trilobite from the lower Cambrian-aged Emu Shale of Kangaroo Island, Australia. Hagadorn, J.W. (2002)....

Qingkouia is an extinct genus of redlichiid trilobites. It lived during the later part of the Botomian stage, which lasted from approximately 524 to 518...

Lemdadella is an extinct genus of redlichiid trilobites that lived during the late Atdabanian stage, which lasted from 521 to 514 million years ago during...

trilobite Bergeroniaspis B. lenaica, B. divergens Redlichiid trilobite Bergeroniellus B. spinosus Redlichiid trilobite Binodaspis B. secunda Ptychopariid trilobite...

Images Olenellidae indet. Unapplicable Redlichiid trilobite arthropods. Nevadia (?) N. gracile (?) Redlichiid trilobite arthropods, from the family Nevadiidae...

Lochmanolenellus is an extinct genus of redlichiid trilobites in the family Biceratopsidae, with one species, L. mexicana. It lived during the Botomian...

Kepingaspis is an extinct genus of redlichiid trilobite that lived during the later part of the Botomian stage, which lasted from approximately 524 to...

global Cambrian Stage boundary and the correlation of the olenellid, redlichiid and paradoxidid realms. In Trilobites and their relatives (eds P. D. Lane...

Zhenbaspis is an extinct genus of redlichiid trilobite. It lived during the early part of the Botomian stage, which lasted from approximately 524 to 518...

The Biceratopsinae is an extinct subfamily of redlichiid trilobites within the family Biceratopsidae, with species of small to average size. Species belonging...

4, three families of trilobites were widely distributed: olenellids, redlichiids, and paradoxidids. At the Stage 4-Wuliuan boundary, the first major trilobite...

Australia as well. Originally called Archaeaspis—a name already applied to a redlichiid trilobite—in 2001 by Ivantsov, it was later recombined under its current...

extinct, small sized (about 1 centimetre or 0.39 inches long) olenelloid redlichiid trilobite arthropod. It lived during the later part of the Botomian stage...