1905 in paleontology

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Paleontology or palaeontology (from Greek: paleo, "ancient"; ontos, "being"; and logos, "knowledge") 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 1905.

Archosauromorphs

Newly named dinosaurs

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

Name	Status	Authors		Age	Unit	Location	Notes	Images
Albertosaurus[3]	Valid taxon	Henry Fairfield Osborn		Late Cretaceous (Edmontonian)	Horseshoe Canyon Formation	Canada	An albertosaurine tyrannosaurid.	Tyrannosaurus
"Diceratops"[4]	Preoccupied.	Lull vide: Hatcher		Late Cretaceous (Lancian)	Lance Formation	United States	Has been considered a member of Triceratops, but recent work has indicated it deserved its own genus after all. In 2008 it was renamed Diceratus because Diceratops was preoccupied by a hymenopteran insect Foerster, 1868.
"Dynamosaurus"[3]	Junior synonym.	Henry Fairfield Osborn		Late Cretaceous (Lancian)	Lance Formation	United States	Same as Tyrannosaurus, this name was rejected because Tyrannosaurus was mentioned earlier in the paper.
Stegopelta[5]	Valid taxon	Williston		Middle Cretaceous (Cenomanian)	Frontier Formation	United States	A nodosaurid.
Tyrannosaurus[3]	Valid taxon	Henry Fairfield Osborn		Late Cretaceous (Lancian)	Lance Formation Hell Creek Formation Scollard Formation North Horn Formation McRae Formation Frenchman Formation Denver Formation Laramie Formation	United States  Canada	Tyrannosaurus is the largest recognized tyrannosauroid and one of the most famous dinosaurs.

Other archosauromorphs

Name	Status	Authors		Age	Unit	Location	Notes	Images
"Procerosaurus"	Preoccupied.	Fritsch		Late Cretaceous (Turonian)	Jizera Formation	Czech Republic	Preoccupied by Procerosaurus von Huene, 1902; later renamed Ponerosteus Olshevsky, 2000. Either a bird or pterosaur.[6]

Synapsids

Non-mammalian

Name	Status	Authors	Age	Unit	Location	Notes	Images
Archaeosuchus	Nomen dubium	Broom	Middle Permian	Tapinocephalus Assemblage Zone	South Africa	A member of Dinocephalia.	Sesamodon
Melinodon	junior synonym	Broom	Middle Triassic (late Olenekian to Anisian)	Burgersdorp Formation	South Africa	Junior synonym of Microgomphodon.
Sesamodon	junior synonym	Broom	Middle Triassic (late Olenekian to Anisian)	Burgersdorp Formation	South Africa	Junior synonym of Microgomphodon.

Other reptiles

Name	Status	Authors		Age	Unit	Location	Notes	Images
Albisaurus[7]	Nomen dubium.	Fritsch		Late Cretaceous (Turonian)	Jizera Formation	Czech Republic	May have been a misidentified marine reptile.

References

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.
2. Olshevsky, George. "Dinogeorge's Dinosaur Genera List". Retrieved 2008-08-07.
3. Osborn, H.F. 1905. Tyrannosaurus and other Cretaceous carnovorous dinosaurs. Bull. Amer. Mus. Nat. Hist. 21: pp. 259-265.
4. Hatcher, J.B. 1905. Two new Ceratopsia from the Laramie of Converse County, Wyoming. Amer. J. Sci. (ser. 4) 20: pp. 413-419. vide Lull, R.S. 1905. Restoration of the horned dinosaur Diceratops. Amer. J. Sci. (ser. 4) 20: pp. 420-422.
5. Williston, S.W. 1905. A new armored dinosaur from the Upper Cretaceous of Wyoming. Science 22 (564): pp. 503-504.
6. Fejfar, O., Košťák, M., Kvaček, J., Mazuch, M., and Moučka, M. 2005. First Cenomanian dinosaur from Central Europe (Czech Republic). Acta Palaeontologica Polonica 50 (2): 295–300.
7. Fritsch, A. 1905. Synopsis der Saurier der Bohmischen Kreideformation. Sitz. Konig. Bohm. Ges. Wiss., II. Classe. (7 pages)