Ries (Paleogene of the United States)

Also known as J. P. Reiss locality

Where: Park County, Wyoming (44.7° N, 108.7° W: paleocoordinates 50.1° N, 89.9° W)

• coordinate stated in text

When: Clarkforkian (56.2 - 54.9 Ma)

• said to be middle Clarkforkian

Environment/lithology: terrestrial

Primary reference: K. D. Rose. 1981. The Clarkforkian Land-Mammal Age and Mammalian Faunal Composition Across the Paleocene-Eocene Boundary. University of Michigan Papers on Paleontology 26:1-197 [J. Alroy/J. Alroy/P. Mannion]more details

PaleoDB collection 15093: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• described by Simons 1960 as the "Reiss" locality
Show authors, comments, and common names
Reptilia
 Testudines - Kinosternoidea
Cardichelyon rogerwoodi n. gen. n. sp.2
Cardichelyon rogerwoodi n. gen. n. sp.2 Hutchison 2013 mud turtle
PU 14671, 16443, shells
Mammalia
 Cimolesta - Coryphodontidae
Coryphodon sp.
Coryphodon sp. Owen 1845 pantodont
described by Simons 1960
 Cimolesta - Esthonychidae
Esthonyx sp.
Esthonyx sp. Cope 1874 tillodont
 Taeniodonta - Stylinodontidae
Ectoganus sp.1
Ectoganus sp.1 Cope 1874 taeniodont
 Tribosphenida - Phenacodontidae
Ectocion osbornianus
Ectocion osbornianus Cope 1882 condylarth
 Rodentia - Paramyidae
Paramyidae indet.
Paramyidae indet. Miller and Gidley 1918 rodent
 Dinocerata - Prodinoceratidae
? Probathyopsis harrisorum1
? Probathyopsis harrisorum1 Patterson 1939 uintathere
1Alroy 2002; 2Hutchison 2013