0-52

YPM

No PU 13839

Pseudémys

Date Aug. 1932

Name *Trachemys* j. antiqua Clark

Crazy Johnny Mont, Chautauqua Fm.

Horizon Middle Tifanotherium Beds, White

R. Oligocene

Locality Indian Cn. bed, 2mi. S.E. of so-called
Cedar Butte ("Promont Johnson's homestead") Bay
Badlands, S. Dakota

Collector John Clark

Description Almost complete plastron and
associated fragments of carapace

1/2LP; Princeton Department of Geology

10 CM

SVP