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Paleontology or palaeontology is the study of prehistoric life forms on Earth through the examination of plant and animal fossils.^[1] This includes the study of body fossils, tracks (ichnites), burrows, cast-off parts, fossilised feces (coprolites), palynomorphs and chemical residues. Because humans have encountered fossils for millennia, paleontology has a long history both before and after becoming formalized as a science. This article records significant discoveries and events related to paleontology that occurred or were published in the year 1943.

Dinosaurs

Newly named dinosaurs

Data are courtesy of George Olshevky's dinosaur genera list.^[2]

Name	Status	Authors		Location	Notes	Images
Pachycephalosaurus^[3]	Valid taxon	Barnum Brown	Schlaikjer	Canada ( Alberta) USA ( Colorado, Montana, North Dakota, South Dakota and Wyoming)	A large pachycephalosaurid	Pachycephalosaurus

Plesiosaurs

New taxa

Name	Status	Authors	Location	Images
Alzadasaurus	Valid	Welles	USA ( Montana)
Aphrosaurus	Valid	Welles	USA ( California)
Fresnosaurus	Valid	Welles	USA ( California)
Hydralmosaurus	Synonym of Styxosaurus.	Welles
Hydrotherosaurus	Valid	Welles	USA ( California)
Morenosaurus	Valid	Welles	USA ( California)
Thalassomedon	Valid	Welles	USA ( Colorado and Montana)	Thalassomedon
Thalassonomosaurus	Valid	Welles

Synapsids

Non-mammalian

Name	Status	Authors	Age	Location	Notes	Images
Dinodontosaurus	Valid	Romer	237 millions of years ago	Argentina Brazil	The Dicinodont with terrible teeth.	Dinodontosaurus Exaeretodon
Exaeretodon	Valid	Cabrera	226 millions of years ago	Argentina Brazil India	This was a plant-eating Cynodont.
Theropsis	Valid

References

^ Gini-Newman, Garfield; Graham, Elizabeth (2001). Echoes from the past: world history to the 16th century. Toronto: McGraw-Hill Ryerson Ltd. ISBN 9780070887398. OCLC 46769716.
^ Olshevsky, George. "Dinogeorge's Dinosaur Genera List". Archived from the original on 2011-07-15. Retrieved 2008-08-07.
^ Brown, B. and E.M. Schlaikjer. 1943. A study of the troodont dinosaurs with the description of a new genus and four new species. Bull. Am. Museum. Nat. Hist. 82: pp. 121-149.

[1] Gini-Newman, Garfield; Graham, Elizabeth (2001). Echoes from the past: world history to the 16th century. Toronto: McGraw-Hill Ryerson Ltd. ISBN 9780070887398. OCLC 46769716.

[ddinogeorge-2] Olshevsky, George. "Dinogeorge's Dinosaur Genera List". Archived from the original on 2011-07-15. Retrieved 2008-08-07.

[3] Brown, B. and E.M. Schlaikjer. 1943. A study of the troodont dinosaurs with the description of a new genus and four new species. Bull. Am. Museum. Nat. Hist. 82: pp. 121-149.

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