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1920 in paleontology

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Arthropods

Newly named insects

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images

Archosauromorphs

Crocodilians

New taxa

Taxon	Novelty	Status	Author(s)	Age	Unit	Location	Notes	Images

Dinosaurs

New taxa

Taxon	Novelty	Status	Author(s)	Age	Unit	Location	Notes	Images
volume = 7	issue = 2	pages = 77–92	last = Van Hoepen	first = E.C.N.	title = A new dinosaur from the Stormberg Beds	journal = Annals of the Transvaal Museum	series = Contributions to the knowledge of the reptiles of the Karroo Formation	date = 1920	url=https://www.biodiversitylibrary.org/item/202290#page/305/mode/1up}}	Gen. et sp. nov.	Nomen dubium	van Hoepen	Pliensbachian	Clarens Formation	South Africa	A prosauropod sometimes synonymized with Massospondylus	[[File:Aristosaurus slab dorsal.jpg	100px]]
Dromicosaurus	Gen. et sp. nov.	Nomen dubium	van Hoepen	Late Triassic-Early Jurassic	Elliot Formation	South Africa	A prosauropod sometimes synonymized with Massospondylus	[[File:Dromicosaurus type vanHoepen 1920 4.jpg	100px]]
Elaphrosaurus	Gen. et sp. nov.	Valid	Janensch	Kimmeridgian	Tendaguru Formation	Tanzania	A slender theropod	[[File:Elaphrosaurus.jpg	200px]]
volume = 7	issue = 2	pages = 93–141	last = Van Hoepen	first = E. C. N.	title = Further dinosaurian material in the Transvaal Museum	journal = Annals of the Transvaal Museum	series = Contributions to the knowledge of the reptiles of the Karroo Formation	date = 1920	url=https://www.biodiversitylibrary.org/page/50361567#page/335/mode/1up}}	Gen. et sp. nov.	Valid	van Hoepen	Norian	Elliot Formation	South Africa	A prosauropod
last=Parks	first=W.A.	year=1920	title=The osteology of the trachodont dinosaur Kritosaurus incurvimanus	journal=University of Toronto Studies, Geology Series	volume=11	pages=1–76}}	Sp. nov.	Valid	Parks	Campanian	Dinosaur Park Formation	Canada
Alberta	A species of Kritosaurus	[[File:Gryposaurus incurvimanus.jpg	200px]]
last=Matthew	first=W.D.	author-link=William Diller Matthew	year=1920	title=Canadian Dinosaurs	journal=Natural History	volume=20	pages=536–544}}	Gen. nov.?	Jr. synonym	Matthew	Campanian	Dinosaur Park Formation	Canada
Alberta	A genus lacking a species name, sometimes considered a nomen nudum. A synonym of Lambeosaurus	[[File:Procheneosaurus.jpg	200px]]

Synapsids

Non-mammalian

Authors	Age	Images
Broom	257 Millions of years ago.
Joleaud
Broom	250 Millions of years ago.	[[File:Moschorhinus DB.jpg	thumb	[[Moschorhinus]]]]
Watson	245 Millions of years ago.

References

(2014). "The wasps, bees and ants (Insecta: Vespida=Hymenoptera) from the Insect Limestone (Late Eocene) of the Isle of Wight, UK". Earth and Environmental Science Transactions of the Royal Society of Edinburgh.
Fourtau, R.. (1920). "Contribution à l'étude des vertébrés miocènes de l'Egypte". Government Press.
Van Hoepen, E.C.N.. (1920). "A new dinosaur from the Stormberg Beds". Annals of the Transvaal Museum.
Janensch, W. 1920. Uber Elaphrosaurus bambergi und die Megalosaurier aus den Tendaguru-Schichten Deutsch-Ostafricas. Sitzungsberichte Gesellschaft Naturforschender Freunde Berlin 8: pp. 225-235.
Van Hoepen, E. C. N.. (1920). "Further dinosaurian material in the Transvaal Museum". Annals of the Transvaal Museum.
Parks, W.A.. (1920). "The osteology of the trachodont dinosaur ''Kritosaurus incurvimanus''". University of Toronto Studies, Geology Series.
Matthew, W.D.. (1920). "Canadian Dinosaurs". Natural History.

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