Burns Mine (Bear Creek) (Paleocene of the United States)

Also known as Princeton University

Where: Carbon County, Montana (45.2° N, 109.0° W: paleocoordinates 50.6° N, 90.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Tongue River Member (Fort Union Formation), Clarkforkian (56.8 - 55.8 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Princeton University in the 1950s; reposited in the YPM

Primary reference: W. G. Joyce, A. Revan, T. R. Lyson and I. G. Danilov. 2009. Two new plastomenine softshell turtles from the Paleocene of Montana and Wyoming. Bulletin of the Peabody Museum of Natural History 50(2):307-325 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 137834: authorized by Philip Mannion, entered by Philip Mannion on 21.12.2012, edited by Patricia Holroyd and Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines - Macrobaenidae
Judithemys backmani1 Russell 1934 turtle
YPM VPPU 016235 (a nearly complete, though heavily fractured, carapace and plastron) and YPM VPPU 016237 (a heavily fragmented carapace, left epiplastron, and right hypoplastron); initially identified as Protochelydra sp., but examination of the material by Parham (2005) indicated that both turtles belong to “Macrobaenidae”
 Testudines - Pantrionychidae
Hutchemys arctochelys n. sp.2 Joyce et al. 2009 turtle
YPM PU 16319 - type (a nearly complete carapace); paratypes: YPM PU 16320 (nearly complete carapace); YPM PU 16321 (nearly complete plastron lacking epiplastra); YPM PU 16322 (nearly complete plastron lacking epiplastra); YPM PU 16238 (partial plastron consisting of left hyoplastron, left xiphiplastron, and a partial left hypoplastron and various costal fragments)
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
nearly complete skeleton
 Cimolesta - Titanoideidae
Titanoides sp. Gidley 1917 pantodont