SC-270 (Paleocene of the United States)

Where: Park County, Wyoming (44.1° N, 109.0° W: paleocoordinates 50.0° N, 88.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Fort Union Formation, Tiffanian (61.7 - 56.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial

Size class: macrofossils

Reposited in the UMMP

Primary reference: D. W. Krause. 1980. Early Tertiary amphibians from the Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 243:69-71 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 53059: authorized by John Alroy, entered by John Alroy on 02.09.2005, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

 Proteida - Batrachosauroididae
Opisthotriton kayi Auffenberg 1961 tetrapod
 Primates - Plesiadapidae
Plesiadapis fodinatus Jepsen 1930 primate
 Amblypoda - Prodinoceratidae
Probathyopsis harrisorum Patterson 1939 uintathere
 Tribosphenida - Phenacodontidae
Ectocion mediotuber Thewissen 1990 condylarth
Phenacodus vortmani Cope 1880 condylarth
Phenacodus magnus Thewissen 1990 condylarth
Phenacodus grangeri Simpson 1935 condylarth
 Creodonta - Oxyaenidae
Dipsalodon churchillorum Rose 1981 creodont
 Ferae - Viverravidae
Viverravus schaffi Gingerich and Winkler 1985 placental
 Macroscelidea - Apheliscidae
Aletodon sp. Gingerich 1977 elephant shrew
 Taeniodonta - Stylinodontidae
Ectoganus cf. lobdelli Simpson 1929 taeniodont
 Tribosphenida - Arctocyonidae
Thryptacodon pseudarctos Simpson 1928 condylarth