PBDB Collection

Battle Mountain (Paleocene of the United States)

Also known as UM-Sub-Wy Locs. 21, 22

Where: Sublette County, Wyoming (42.7° N, 110.1° W: paleocoordinates 48.8° N, 90.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Hoback Formation, Tiffanian (61.7 - 56.8 Ma)

• said to be middle Tiffanian

Environment/lithology: terrestrial

Primary reference: J. A. Dorr, Jr. 1978. Revised and Amended Fossil Vertebrate Faunal Lists, Early Tertiary, Hoback Basin, Wyoming. Contributions to Geology, University of Wyoming 16(2):79-84 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 14926: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• stratigraphic position relative to other Hoback Basin sites indeterminate
Gunnell 1994 lists Ptilodus sp. "C"; not clear if this replaces P. cf. montanus

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Mammalia
Macroscelidea - Apheliscidae	Aletodon quadravus² Aletodon quadravus² Gingerich 1983 elephant shrew
Macroscelidea -	Litocherus lacunatus² Litocherus lacunatus² Gazin 1956 elephant shrew
Theriamorpha - Phenacodontidae	Ectocion cf. collinus¹, Phenacodus sp., Phenacodus grangeri Ectocion cf. collinus¹ Russell 1929 condylarth Phenacodus sp. Cope 1873 condylarth Phenacodus grangeri Simpson 1935 condylarth includes type of "Tetraclaenodon transitus"
Procreodi - Arctocyonidae	Chriacus sp., Thryptacodon cf. australis Chriacus sp. Cope 1883 condylarth Thryptacodon cf. australis Simpson 1935 condylarth
Theriamorpha - Nyctitheriidae	cf. Leptacodon sp. cf. Leptacodon sp. Matthew and Granger 1921 placental
Primates - Plesiadapidae	Plesiadapis rex Plesiadapis rex Gidley 1923 primate
Primates - Paromomyidae	Paromomyidae indet. Paromomyidae indet. Simpson 1940 primate
Multituberculata - Ptilodontidae	Ptilodus cf. montanus Ptilodus cf. montanus Douglass 1908 multituberculate

¹Alroy 2002; ²Gingerich 1983