UCMP V84187 Jacks Ridge N 1 (Cretaceous of the United States)

Where: McCone County, Montana (47.6° N, 106.2° W)

• Paleocoordinates: 58.3° N, 63.6° W (Wright 2013)

• coordinate based on unpublished field data

When: Hell Creek Formation, Maastrichtian (72.2 - 66.0 Ma)

Environment/lithology: terrestrial; mudstone

• MUDSTONE (from ucmpdb.berkeley.edu)

Size class: macrofossils

Reposited in the UCMP

Primary reference: W. G. Joyce and T. R. Lyson. 2017. The shell morphology of the latest Cretaceous (Maastrichtian) trionychid turtle Helopanoplia distincta. PeerJ 5(e4169):1-20 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190699: authorized by Patricia Holroyd, entered by Patricia Holroyd on 14.12.2017

Creative Commons license: CC0 (CC0)

Taxonomic list

Reptilia
 Testudines - Pantrionychidae
Helopanoplia distincta Hay 1908 turtle