Halfway Hill (UW V-94051) (Paleocene to of the United States)

Also known as UW V-94042, 94043, 94046, 94052

Where: Carbon County, Wyoming (41.8° N, 107.0° W: paleocoordinates 47.6° N, 86.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: lower Member (Hanna Formation), Torrejonian to Torrejonian (63.3 - 56.8 Ma)

• said to be late Torrejonian to early Tiffanian

Environment/lithology: terrestrial

Reposited in the UW

Primary reference: R. Secord. 1998. Paleocene mammalian biostratigraphy of the Carbon Basin, southeastern Wyoming, and age constraints on local phases of tectonism. Rocky Mountain Geology 33(1):119-154 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 14853: authorized by John Alroy, entered by John Alroy on 21.09.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• UW V-94051 is a general locality including the others
Mammalia
 Primates - Palaechthonidae
Plesiolestes sp. Jepsen 1930 primate
 Ferae - Viverravidae
Intyrictis vanvaleni MacIntyre 1966 placental
UW V-94046
 Tribosphenida - Arctocyonidae
cf. Mimotricentes sp. Simpson 1937 condylarth