UMMP SC-4
Basic information
Sample name: UMMP SC-4

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: 44.78° N, -109.04° W
Coordinate basis: stated in text

Formation: Willwood

Time interval: Early Eocene

Zone: Wasatchian

Geography comments: "on the southwest end of Polecat Bench... at the mouth of Pat O'Hara Creek" (Gingerich et al. 1980) and "in SE1/4, NE1⁄4, Sec. 5, T55N, R101W" (Beard and Houde 1989, referring to a calcareous nodule from "in or very near" SC-4)
Gingerich et al. (1980, Fig. 2) show SC-4 in the same location
"early Wasatchian (Graybullian)" and at the 1570 m level according to Gingerich (1989, p. 63)
chron 24R according to Butler et al. (1981, Fig. 6) and shown as very low in the Wasatchian part of the formation

Environment
Lithology: not described

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

Sample size: 398 specimens

Museum: UMMP

Sampling comments: there is no discussion of collecting history or methods
the following species appear to have been collected from SC-4 after the inventory was published: Hapalodectes anthracinus (Zhou and Gingerich 1991), Didymictis leptomylus (Polly 1997), Prototomus deimos (Gingerich and Deutsch 1989), and Palaeanodon nievelti (Gingerich 1989)

Metadata
Sample number: 4532

Contributor: John Alroy

Enterer: John Alroy

Modifier no: John Alroy

Created: 2024-12-01 09:44:15

Modified: 2024-12-01 10:00:04

Abundance distribution
31 species
9 singletons
total count 398
geometric series index: 55.3
Fisher's α: 7.859
geometric series k: 0.8577
Hurlbert's PIE: 0.8825
Shannon's H: 2.5575
Good's u: 0.9775
Each square represents a species. Square sizes are proportional to counts.
Register
Neoliotomus ultimus1
Prodiacodon sp.1
cf.
Aptemys sp.2
Plagiomene cf. accola1
MacPhee et al. (199): "Plagiomene multicuspis"
Arctodontomys wilsoni1
Gunnell (1985): "Microsyops sp."
Phenacolemur praecox8
Pelycodus ralstoni = †Cantius ralstoni37
Butler et al. (1981): "Pelycodus sp."
Teilhardina americana1
Thryptacodon antiquus8
Phenacodus sp.6
"Phenacodus primaevus" (a nomen dubium: see Thewissen 1990)
Phenacodus vortmani11
Phenacodus cf. brachypternus = †Copecion cf. brachypternus1
Ectocion osbornianus47
Hyopsodus sp.41
more than one form
Haplomylus speirianus27
Apheliscus chydaeus2
Gingerich 1995: "Apheliscus sp."
Dissacus sp.1
Coryphodon sp.2
Esthonyx grangeri2
Esthonyx spatularius9
Hyracotherium grangeri100
Gingerich (1991): "Hyracotherium sp."
Cardiolophus radinskyi6
Gingerich (1991): "Homogalax sp."
Diacodexis metsiacus40
Didymictis protenus7
Viverravus acutus1
see also Polly (1997)
Viverravus politus2
see also Polly (1997)
Uintacyon cf. massetericus3
Oxyaenidae indet.6
"Oxyaena sp.": could be Dipsalidictis or Tytthaenaj
Arfia zele2
Gingerich and Deutsch(1989): "Arfia sp."
Paramys sp.21
more than one form
Microparamys sp.1
cf.