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
Latlng basis: stated in text

Formation: Willwood

Time interval: Early Eocene

Zone: Wasatchian

Ma: 55.4

Age basis: AEO

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

Net or trap nights: 0

Basal area status: not applicable

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 no: 4532

Contributor no: John Alroy

Enterer: John Alroy

Modifier no: John Alroy

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

Modified: 2024-12-11 10:19:21

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
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
Register
†Neoliotomus ultimus 1
Prodiacodon sp. 1
cf.
Aptemys sp. 2
†Plagiomene cf. accola 1
MacPhee et al. (199): "Plagiomene multicuspis"
†Arctodontomys wilsoni 1
Gunnell (1985): "Microsyops sp."
†Phenacolemur praecox 8
Pelycodus ralstoni = †Cantius ralstoni 37
Butler et al. (1981): "Pelycodus sp."
†Teilhardina americana 1
†Thryptacodon antiquus 8
Phenacodus sp. 6
"Phenacodus primaevus" (a nomen dubium: see Thewissen 1990)
†Phenacodus vortmani 11
Phenacodus brachypternus = †Copecion cf. brachypternus 1
†Ectocion osbornianus 47
Hyopsodus sp. 41
more than one form
†Haplomylus speirianus 27
†Apheliscus chydaeus 2
Gingerich 1995: "Apheliscus sp."
Dissacus sp. 1
Coryphodon sp. 2
†Esthonyx grangeri 2
†Esthonyx spatularius 9
†Hyracotherium grangeri (horse)100
Gingerich (1991): "Hyracotherium sp."
†Cardiolophus radinskyi 6
Gingerich (1991): "Homogalax sp."
†Diacodexis metsiacus 40
†Didymictis protenus (viverravid)7
†Viverravus acutus (viverravid)1
see also Polly (1997)
†Viverravus politus (viverravid)2
see also Polly (1997)
†Uintacyon cf. massetericus 3
Oxyaenidae indet.6
"Oxyaena sp.": could be Dipsalidictis or Tytthaenaj
†Arfia zele 2
Gingerich and Deutsch(1989): "Arfia sp."
Paramys sp. 21
more than one form
Microparamys sp. 1
cf.