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1923 in paleontology

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Plants

Conifers

Araucariaceae

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images

†Cheirolepidiaceae

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images

Cupressaceae

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images

Pinaceae

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images

Podocarpaceae

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images

Angiosperms

Basal eudicots

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images

Superroids

Fagales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images

Malvales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images

''Incertae sedis''

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images

Arthropoda

Insects

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images

Archosauromorpha

Dinosaurs

New taxa

Taxon	Novelty	Status	Author(s)	Age	Unit	Location	Notes	Images
Altispinax	Gen. et sp. nov.	Valid	Huene	Valanginian	Wadhurst Clay Formation	England	A possible carcharodontosaurid
last=Gilmore	first=C.W.	author-link=Charles W. Gilmore	year=1923	title=A new species of Corythosaurus with notes on other Belly River Dinosauria	journal=The Canadian Field-Naturalist	volume=37	pages=46–52}}	Sp. nov.	Jr. synonym	Gilmore	Campanian	Dinosaur Park Formation	Alberta	Junior synonym of Corythosaurus intermedius
Corythosaurus intermedius	Sp. nov.	Valid	Parks	Campanian	Dinosaur Park Formation	Alberta	A species of Corythosaurus
last=Parks	first=W.A.	author-link=William A. Parks	year=1923	title=Corythosaurus intermedius, a new species of trachodont dinosaur	journal=University of Toronto. Geological Studies	volume=15	pages=5–57}}	Gen. et sp. nov.	Valid	Parks	Campanian	Dinosaur Park Formation	Alberta	A lambeosaurine hadrosaurid	[[File:Lambeosaurus TD.png	200px]]
Lametasaurus	Gen. et sp. nov	Nomen dubium	Matley	Maastrichtian	Lameta Formation	India	A composite of abelisaurid and titanosaur remains
Pentaceratops	Gen. et sp. nov.	Valid	Osborn	Campanian	Kirtland Formation	New Mexico	A chasmosaurine ceratopsid	[[File:Pentaceratops BW.jpg	200px]]
Protiguanodon	Gen. et sp. nov.	Junior synonym	Osborn	Barremian	Öösh Formation	Mongolia	A junior synonym of Psittacosaurus.
Protoceratops	Gen. et sp. nov.	Valid	Granger & Gregory	Campanian	Djadochta Formation	Mongolia	A protoceratopsid ceratopsian	[[File:Protoceratops reconstruction.png	200px]]
"Protrachodon"		Nomen nudum	Nopcsa	Maastrichtian	Haţeg Basin	Romania	Mentioned in passing during discussion of Orthomerus
Psittacosaurus	Gen. et sp. nov.	Valid	Osborn	Barremian	Öösh Formation	Mongolia	A psittacosaurid ceratopsian.	[[File:Psittacosaurus model.jpg	200px]]
Thecocoelurus	Gen. nov.	Nomen dubium	Huene	Barremian	Wessex Formation	England	New genus for "Thecospondylus" daviesi Seeley, 1888

Pterosaurs

New taxa

Name	Status	Authors	Age	Unit	Location	Notes	Images

Synapsids

Non-mammalian

Name	Status	Authors	Age	Location	Notes	Images
			255 million years ago			[[File:Burnetia mirabilisDB.jpg	thumb	[[Burnetia]]]]

References

(1923). "Proceedings and Transactions of the Royal Society of Canada". Memoirs of the Boston Society of Natural History.
(1923). "Fossil plants from the Tertiary lake beds of South-Central Colorado". United States Geological Survey.
(1990). "Taxonomic revision of the Spermatopsida of the Oligocene Creede flora, southern Colorado". United States Geological Survey.
(2012). "New Fossil Ants of the Subfamily Myrmeciinae (Hymenoptera, Formicidae) from Germany". Paleontological Journal.
Huene, F. von. 1923. Carnivorous Saurischia in Europe since the Triassic. Bull. Geol. Soc. America 34: pp. 449-458.
Gilmore, C.W.. (1923). "A new species of ''Corythosaurus'' with notes on other Belly River Dinosauria". The Canadian Field-Naturalist.
Parks, W.A.. (1923). "''Corythosaurus intermedius'', a new species of trachodont dinosaur". University of Toronto. Geological Studies.
Matley, C.A. 1923. Note on an armoured dinosaur from the Lameta beds of Jubbulpore. Rec. Geol. Survey India 55 (2): pp. 105-109.
Osborn, H.F. 1923. A new genus and species of Ceratopsia from New Mexico, Pentaceratops stennbergi. Amer. Mus. Novitates 93: pp. 1-3.
Granger, W. and W.K. Gregory. 1923. Protoceratops andrewsi, a preceratopian dinosaur from Mongolia. Amer. Museum Novitates 42: pp. 1-9.
B. F. Nopcsa. 1923. On the geological importance of the primitive reptilian fauna in the uppermost Cretaceous of Hungary; with a description of a new tortoise (''Kallokibotion''). Quarterly Journal of the Geological Society 74:100-116
Osborn, H.F. 1923. Two Lower Cretaceous dinosaurs from Mongolia. Amer. Mus. Novitates 95: pp. 1-10.

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