1943 in paleontology

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Last updated March 31, 2025

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

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes
Mandschurosaurus laosensis ^[2]	Sp. nov.	Nomen dubium	Hoffet	Aptian-Albian	Grès supérieurs Formation	Laos	A species of Mandschurosaurus
Pachycephalosaurus ^[3]	Gen. et sp. nov.	Valid	Brown & Schlaikjer	Maastrichtian	Lance Formation	USA	A new genus which at the time had the type species P. grangeri and includes the new combination for Troodon wyomingensis , P. grangeri is a synonym of P. wyomingensis which is a conserved name
Troodon sternbergi ^[3]	Sp. nov.	Valid	Brown & Schlaikjer	Campanian	Dinosaur Park Formation	Canada	A species of Troodon now Hanssuesia sternbergi
Troodon edmontonensis ^[3]	Sp. nov.	Valid	Brown & Schlaikjer	Maastrichtian	Horseshoe Canyon Formation	Canada	A species of Troodon now Sphaerotholus edmontonense

Plesiosaurs

New taxa

Name	Status	Authors	Location	Images
Alzadasaurus	syn of Thalassomedon	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	Synonym of Styxosaurus .	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.
↑ Hoffet, J.-H. (1943). "Description des ossements les plus caractéristiques appartenant à des Avipelviens du Sénonien du Bas-Laos". Comptes Rendus des Séances du Conseil des Recherches Scientifiques de l'Indochine 1944: 179–186.
1 2 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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[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.

[hoffet1943-2] Hoffet, J.-H. (1943). "Description des ossements les plus caractéristiques appartenant à des Avipelviens du Sénonien du Bas-Laos". Comptes Rendus des Séances du Conseil des Recherches Scientifiques de l'Indochine 1944: 179–186.

[brown1943-3] 1 2 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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