1899 in paleontology explained

Anapsids

Turtles

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Acherontemys^[1]	Gen et sp nov	valid	Hay	Eocene Lutetian	Roslyn Formation		A Pan-Emydidae pond turtle. The type species is A. heckmani.	thumb|center|upright|Acherontemys heckmani
Hadrianus schucherti^[2]	Sp nov	Jr synonym	Hay	Eocene Bartonian	Jackson Formation		First described as a Hadrianus species. Moved to Cymatholcus schucherti (1950) Moved to Testudo schucherti (1964) Moved to Geochelone (Cymatholcus) schucherti (1986) Moved back to Cymatholcus schucherti (2018)

Archosauromorphs

Newly named dinosaurs

Name	Novelty	Status	Authors	Age	Unit	Location	Notes	Images
Limnosaurus	gen et sp nov	Preoccupied.	Nopcsa	Maastrichtian		Romania	Preoccupied by Othniel Charles Marsh, 1872. Renamed Telmatosaurus.
Mochlodon	gen et sp nov	reassigned	Nopcsa	Maastrichtian	Sânpetru Formation	Austria	Reaasigned to Rhabdodon in 1915, then to Zalmoxes in 2003.

Notes and References

1. Hay . O.P. . 1899 . Descriptions of two new species of tortoises from the Tertiary of the United States . Proceedings of the United States National Museum . 22 . 1181 . 21-24.
2. Hay . O.P. . 1899 . Descriptions of two new species of tortoises from the Tertiary of the United States . Proceedings of the United States National Museum . 22 . 1181 . 21-24.
3. Simpson, G.G. . 1946 . Fossil penguins . Bulletin of the American Museum of Natural History . 81 .