Crooked River (Oligocene of the United States)

Where: Grant County, Oregon (44.4° N, 118.9° W: paleocoordinates 44.1° N, 109.9° W)

• coordinate based on nearby landmark

When: Arikareean-2 NALMA mammal zone, middle Member (John Day Formation), Chattian (28.1 - 23.0 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: J. Leidy. 1871. Remarks on fossils from Oregon. Proceedings of the Academy of Natural Sciences of Philadelphia 23:247-248 [E. Vlachos/E. Vlachos]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190997: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 02.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Pantestudinidae
Stylemys oregonensis n. sp. Leidy 1872 turtle