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
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
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)
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: 2024-12-11 10:19:21
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.
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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 cf. 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 | 100 | |
| Gingerich (1991): "Hyracotherium sp." | ||
| †Cardiolophus radinskyi | 6 | |
| Gingerich (1991): "Homogalax sp." | ||
| †Diacodexis metsiacus | 40 | |
| †Didymictis protenus | 7 | |
| †Viverravus acutus | 1 | |
| see also Polly (1997) | ||
| †Viverravus politus | 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. | ||