UCM locality 2011057 (Paleocene of the United States)

Where: Carbon County, Wyoming (41.7° N, 107.5° W: paleocoordinates 47.4° N, 87.9° W)

• coordinate estimated from map

When: Ti1 mammal zone, Overland Member (Fort Union Formation), Tiffanian (61.7 - 56.8 Ma)

• approximately 85 meters stratigraphically above base of Overland Member

Environment/lithology: terrestrial; sandstone

• sandstone consists of coarse-grained sandstone with pieces of quartz, feldspar granules, and chert pebbles

Size class: mesofossils

Primary reference: E. K. Halverson and J. J. Eberle. 2018. A new middle Paleocene (early Tiffanian) mammalian fauna from the Overland Member of the Fort Union Formation, Great Divide Basin, Wyoming, U.S.A. . Rocky Mountain Geology 53(2):75-111 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 198263: authorized by Patricia Holroyd, entered by Patricia Holroyd on 12.12.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

 Cimolesta - Pantolambdidae
 Cimolesta - Cimolestidae
Gelastops sp. Simpson 1935 eutherian
 Leptictida - Leptictidae
 Primates - Plesiadapidae
Nannodectes intermedius Gazin 1971 primate
 Condylarthra - Hyopsodontidae
Litaletes disjunctus, "Promioclaenus aquilonius" = Promioclaenus acolytus
Litaletes disjunctus Simpson 1935 condylarth
"Promioclaenus aquilonius" = Promioclaenus acolytus Cope 1882 condylarth
 Macroscelidea - Apheliscidae
Haplaletes sp. Simpson 1935 elephant shrew
Haplaletes pelicatus Gazin 1956 elephant shrew
Haplaletes disceptatrix Simpson 1935 elephant shrew
Litomylus dissentaneus Simpson 1935 elephant shrew
 Tribosphenida - Arctocyonidae
Mimotricentes sp. Simpson 1937 condylarth