UMMP SC-54
Basic information
Sample name: UMMP SC-54

Reference: K. D. Rose. 1981. The Clarkforkian land-mammal age and mammalian faunal composition across the Paleocene-Eocene boundary. University of Michigan Papers on Paleontology 26:1-197 [ER 4102]
Geography
Country: United States

State: Wyoming


County: Park


Coordinate: 44.80° N, -109.10° W
Coordinate basis: estimated from map

Formation: Willwood

Time interval: Early Eocene

Zone: Wasatchian

Ma: 55

Age basis: AEO

Geography comments: shown approximately in sec. 25 or 26, T56N, R102W based on the map of Gingerich et al. (1980, Fig. 2), on the eastern side of Little Sand Coulee and very close to SC-2
from the 1720 to 1760 m level in the section according to Gingerich (1989)

Environment
Lithology: not described

Methods
Life forms: carnivores,primates,rodents,ungulates,other large mammals,other small mammals

Sample size: 618 specimens

Museum: UMMP

Sampling comments: collecting history and methods are not discussed
the following species appear to have been collected from SC-54 after the inventory was published: Neoliotomus ultimus (Krause 1982), Teilhardina crassidens-americana (Bown and Rose 1987), Didymictis leptomylus (Polly 1997), Palaeonictis occidentalis (Gunnell and Gingerich 1991), Prototomus martis (Gingerich and Deutsch 1989)

Metadata
Sample number: 4533

Contributor: John Alroy

Enterer: John Alroy

Modifier no: John Alroy

Created: 2024-12-01 10:33:06

Modified: 2024-12-11 10:19:50

Abundance distribution
27 species
5 singletons
total count 618
geometric series index: 39.8
Fisher's α: 5.764
geometric series k: 0.8195
Hurlbert's PIE: 0.8501
Shannon's H: 2.3053
Good's u: 0.9919
Each square represents a species. Square sizes are proportional to counts.
Register
Didelphodus absarokae3
Apatemys sp.1
Arctodontomys wilsoni4
Gunnell (1989): "Microsyops sp."
Phenacolemur praecox19
Ignacius graybullianus5
Adapidae indet.49
"Pelycodus sp.": could be Cantius
Thryptacodon antiquus3
Phenacodus sp.4
"Phenacodus primaevus" (a nomen dubium: see Thewissen 1990)
Ectocion osbornianus49
see also Thewissen (1990)
Hyopsodus sp.111
more than one form
Haplomylus speirianus60
Apheliscus chydaeus2
Gingerich (1995): "Apheliscus sp."
Pachyaena sp.1
Coryphodon sp.4
Esthonyx spatularius9
Hyracotherium grangeri177
Gingerich (1991): "Hyracotherium sp."
Cardiolophus radinskyi7
Gingerich (1991): "Homogalax sp."
Diacodexis metsiacus64
Didymictis protenus4
see also Polly (1997)
Viverravus acutus4
see also Polly (1997)
Uintacyon cf. massetericus1
Miacis exiguus1
also 7 "Unidentified carnivore or insectivore (2 or 3 spp.)"
Dipsalidictis transiens5
Gunnell and Gingerich (1991): "Oxyaena sp."
Arfia shoshoniensis14
Gingerich and Deutsch (1989): "Arfia sp."
Prolimnocyon haematus3
Gingerich and Deutsch (1989): type; "Prolimnocyon cf. atavus"
Hyaenodontidae indet.1
small
Paramys sp.13
more than one form