PBDB Collection

SC-4 (Eocene of the United States)

Also known as Houde Locality 8

Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 49.2° N, 91.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Wa-1 Zone Member (Willwood Formation), Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Reposited in the UMMP, USNM

Primary 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 [J. Alroy/J. Alroy/P. Mannion]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 15729: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• 1570 m level
Chron 24R: Butler et al. 1981
taxa reported by Bear and Houde 1989 are from a nodule "in or very near... SC-4"

Show authors, comments, and common names

Mammalia
Multituberculata - Eucosmodontidae	"Neoliotomus ultimus" = Eucosmodon ultimus "Neoliotomus ultimus" = Eucosmodon ultimus Granger and Simpson 1928 multituberculate
Theriamorpha - Leptictidae	cf. Prodiacodon sp. cf. Prodiacodon sp. Matthew 1929 eutherian
Cimolesta - Apatemyidae	Apatemyidae indet.¹ Apatemyidae indet.¹ Matthew 1909 eutherian
Cimolesta - Coryphodontidae	Coryphodon sp. Coryphodon sp. Owen 1845 pantodont
Cimolesta -	"Esthonyx grangeri" = Azygonyx grangeri "Esthonyx grangeri" = Azygonyx grangeri Simpson 1937 tillodont
Cimolesta - Esthonychidae	Esthonyx spatularius Esthonyx spatularius Cope 1880 tillodont
Macroscelidea - Apheliscidae	Apheliscus chydaeus⁸, Haplomylus speirianus Apheliscus chydaeus⁸ Gingerich 1994 elephant shrew Haplomylus speirianus Cope 1880 elephant shrew
Condylarthra - Hyopsodontidae	Hyopsodus sp. Hyopsodus sp. Leidy 1870 condylarth
Acreodi - Mesonychidae	Dissacus sp. Dissacus sp. Cope 1881 condylarth
Acreodi - Hapalodectidae	Hapalodectes anthracinus¹⁴ Hapalodectes anthracinus¹⁴ Zhou and Gingerich 1991 condylarth
Theriamorpha - Metacheiromyidae	Palaeanodon nievelti⁶ Palaeanodon nievelti⁶ Gingerich 1989 placental
Creodonta - Hyaenodontidae	Arfia zele⁹, Prototomus deimos⁹ Arfia zele⁹ Gingerich and Deutsch 1989 creodont Prototomus deimos⁹ Gingerich and Deutsch 1989 creodont
Creodonta - Oxyaenidae	Oxyaenidae indet.¹ Oxyaenidae indet.¹ Cope 1877 creodont
Theriamorpha -	Uintacyon cf. massetericus Uintacyon cf. massetericus Cope 1882 placental
Theriamorpha - Viverravidae	Viverravus politus, Viverravus acutus, Didymictis protenus, Didymictis leptomylus¹² Viverravus politus Matthew and Granger 1915 placental confirmed by Polly 1997 Viverravus acutus Matthew and Granger 1915 placental confirmed by Polly 1997, Polly et al. 2006 Didymictis protenus Cope 1874 placental confirmed by Polly 1997 Didymictis leptomylus¹² Cope 1880 placental
Perissodactyla - Equidae	"Hyracotherium grangeri" = Sifrhippus grangeri⁷ "Hyracotherium grangeri" = Sifrhippus grangeri⁷ Gingerich 1989 horse
Perissodactyla -	Cardiolophus radinskyi⁷ Cardiolophus radinskyi⁷ Gingerich 1991 odd-toed ungulate
Theriamorpha - Phenacodontidae	Ectocion osbornianus, Copecion cf. brachypternus¹, Phenacodus sp.¹, Phenacodus vortmani Ectocion osbornianus Cope 1882 condylarth Copecion cf. brachypternus¹ Cope 1882 condylarth Phenacodus sp.¹ Cope 1873 condylarth Phenacodus vortmani Cope 1880 condylarth
Artiodactyla - Diacodexeidae	Diacodexis sp.¹ Diacodexis sp.¹ Cope 1882 even-toed ungulate
Procreodi - Arctocyonidae	Thryptacodon antiquus Thryptacodon antiquus Matthew and Granger 1915 condylarth
Rodentia - Ischyromyidae	cf. Microparamys sp., Paramys sp. cf. Microparamys sp. Wood 1959 rodent Paramys sp. Leidy 1871 rodent
Primates - Notharctidae	Cantius ralstoni⁵ Cantius ralstoni⁵ Matthew 1915 primate
Primates - Micromomyidae	Tinimomys graybulliensis², "Micromomys antelucanus" = Chalicomomys antelucanus¹³ Tinimomys graybulliensis² Szalay 1974 primate "Micromomys antelucanus" = Chalicomomys antelucanus¹³ Beard and Houde 1989 primate type is from a USNM locality "in or very near" SC-4
Primates - Omomyidae	Teilhardina americana⁴ Teilhardina americana⁴ Bown 1976 tarsier
Primates - Microsyopidae	Arctodontomys wilsoni¹⁰ Arctodontomys wilsoni¹⁰ Szalay 1969 primate
Primates - Paromomyidae	Ignacius graybullianus³, Phenacolemurinae indet.¹ Ignacius graybullianus³ Bown and Rose 1976 primate new specimen Phenacolemurinae indet.¹ Simpson 1955 primate
Dermoptera -	Plagiomene cf. accola¹¹ Plagiomene cf. accola¹¹ Rose 1981 colugo

¹Alroy 2002; ²Beard and Houde 1989; ³Bloch and Silcox 2001; ⁴Bown and Rose 1987; ⁵Butler et al. 1981; ⁶Gingerich 1989; ⁷Gingerich 1991; ⁸Gingerich 1994; ⁹Gingerich and Deutsch 1989; ¹⁰Gunnell 1985; ¹¹MacPhee et al. 1989; ¹²Polly 1997; ¹³Rose and Bown 1996; ¹⁴Zhou and Gingerich 1991