White River Badlands (coll. D.D. Owen, USNM, St. nebrascensis type locality) (Oligocene of the United States)

Where: South Dakota (43.8° N, 102.5° W: paleocoordinates 44.6° N, 95.2° W)

• coordinate based on nearby landmark

When: Orellan NALMA mammal zone, Orellan Formation (White River Group), Rupelian (33.9 - 28.1 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by D.D. Owen; reposited in the USNM

• Also Prof. Baird from the Smithsonian facilitated the study of specimen by Leidy

Primary reference: J. Leidy. 1851. [Description of a new fossil tortoise from Nebraska territory]. Proceedings of the National Academy of Sciences 5:172-173 [E. Vlachos/E. Vlachos]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190539: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 11.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Pantestudinidae
"Stylemys nebrascensis n. gen. n. sp." = Stylemys nebrascensis, "Emys oweni n. sp." = Stylemys nebrascensis1, "Emys culbertsonii n. sp." = Stylemys nebrascensis3, "Testudo lata n. sp." = Stylemys nebrascensis2, "Emys hemispherica n. sp." = Stylemys nebrascensis2
"Stylemys nebrascensis n. gen. n. sp." = Stylemys nebrascensis Leidy 1851 turtle
USNM V 97, partial shell
"Emys oweni n. sp." = Stylemys nebrascensis1 Leidy 1851 turtle
USNM V 95, partial shell
"Emys culbertsonii n. sp." = Stylemys nebrascensis3 Leidy 1851 turtle
USNM V 2348, almost complete shell
"Testudo lata n. sp." = Stylemys nebrascensis2 Leidy 1851 turtle
ANSP 10072, partial shell
"Emys hemispherica n. sp." = Stylemys nebrascensis2 Leidy 1851 turtle
USNM V 98, partial shell