SC-263 (Paleocene of the United States)

Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 50.2° N, 88.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Tiffanian (61.7 - 56.8 Ma)

Environment/lithology: terrestrial

Reposited in the UMMP

Primary reference: R. F. Butler, P. D. Gingerich, and E. H. Lindsay. 1981. Magnetic Polarity Stratigraphy and Biostratigraphy of Paleocene and Lower Eocene Continental Deposits, Clark's Fork Basin, Wyoming. Journal of Geology 89 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 15061: authorized by John Alroy, entered by John Alroy on 26.07.1994, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• meter level based on Butler et al. 1981; said to be Ti2
Show authors, comments, and common names
Mammalia
 Multituberculata - Ptilodontidae
Ptilodus sp.2
Ptilodus sp.2 Cope 1881 multituberculate
sp. C
 Cimolesta - Titanoideidae
Titanoides major1
Titanoides major1 Simons 1960 pantodont
described as "T. primaevus" by Simons 1960
 Theriamorpha - Phenacodontidae
Ectocion cedrus2, Phenacodus grangeri2
Ectocion cedrus2 Thewissen 1990 condylarth
Phenacodus grangeri2 Simpson 1935 condylarth
 Procreodi - Arctocyonidae
"Arctocyon cf. mumak" = Arctocyon acrogenius2
"Arctocyon cf. mumak" = Arctocyon acrogenius2 Gazin 1956 condylarth
 Primates - Plesiadapidae
Plesiadapis anceps
Plesiadapis anceps Simpson 1936 primate
1Gingerich and Childress 1983; 2Secord 2008