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
Cimolesta - Coryphodontidae	Coryphodon sp. Coryphodon sp. Owen 1845 pantodont
Cimolesta - Apatemyidae	Apatemyidae indet.¹ Apatemyidae indet.¹ Matthew 1909 eutherian
Cimolesta - Esthonychidae	Esthonyx spatularius Esthonyx spatularius Cope 1880 tillodont
Cimolesta -	"Esthonyx grangeri" = Azygonyx grangeri "Esthonyx grangeri" = Azygonyx grangeri Simpson 1937 tillodont
Macroscelidea - Apheliscidae	Haplomylus speirianus, Apheliscus chydaeus⁸ Haplomylus speirianus Cope 1880 elephant shrew Apheliscus chydaeus⁸ Gingerich 1994 elephant shrew
Condylarthra - Hyopsodontidae	Hyopsodus sp. Hyopsodus sp. Leidy 1870 condylarth
Primates - Paromomyidae	Ignacius graybullianus³, Phenacolemurinae indet.¹ Ignacius graybullianus³ Bown and Rose 1976 primate new specimen Phenacolemurinae indet.¹ Simpson 1955 primate
Primates - Omomyidae	"Teilhardina americana" = Bownomomys americanus⁴ "Teilhardina americana" = Bownomomys americanus⁴ Bown 1976 tarsier
Primates - Microsyopidae	Arctodontomys wilsoni¹⁰ Arctodontomys wilsoni¹⁰ Szalay 1969 primate
Primates - Micromomyidae	"Micromomys antelucanus" = Chalicomomys antelucanus¹³, Tinimomys graybulliensis² "Micromomys antelucanus" = Chalicomomys antelucanus¹³ Beard and Houde 1989 primate type is from a USNM locality "in or very near" SC-4 Tinimomys graybulliensis² Szalay 1974 primate
Primates - Notharctidae	Cantius ralstoni⁵ Cantius ralstoni⁵ Matthew 1915 primate
Dermoptera -	Plagiomene cf. accola¹¹ Plagiomene cf. accola¹¹ Rose 1981 colugo
Rodentia - Ischyromyidae	Paramys sp., cf. Microparamys sp. Paramys sp. Leidy 1871 rodent cf. Microparamys sp. Wood 1959 rodent
Ferae - Metacheiromyidae	Palaeanodon nievelti⁶ Palaeanodon nievelti⁶ Gingerich 1989 placental
Creodonta - Oxyaenidae	Oxyaenidae indet.¹ Oxyaenidae indet.¹ Cope 1877 creodont
Creodonta - Hyaenodontidae	Arfia zele⁹, Prototomus deimos⁹ Arfia zele⁹ Gingerich and Deutsch 1989 creodont Prototomus deimos⁹ Gingerich and Deutsch 1989 creodont
Ferae -	Uintacyon cf. massetericus Uintacyon cf. massetericus Cope 1882 placental
Ferae - Viverravidae	Viverravus politus, Viverravus acutus, Didymictis leptomylus¹², Didymictis protenus 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 leptomylus¹² Cope 1880 placental Didymictis protenus Cope 1874 placental confirmed by Polly 1997
Acreodi - Mesonychidae	Dissacus sp. Dissacus sp. Cope 1881 condylarth
Acreodi - Hapalodectidae	Hapalodectes anthracinus¹⁴ Hapalodectes anthracinus¹⁴ Zhou and Gingerich 1991 condylarth
Tribosphenida - Phenacodontidae	Phenacodus sp.¹, Phenacodus vortmani, Copecion cf. brachypternus¹, Ectocion osbornianus Phenacodus sp.¹ Cope 1873 condylarth Phenacodus vortmani Cope 1880 condylarth Copecion cf. brachypternus¹ Cope 1882 condylarth Ectocion osbornianus Cope 1882 condylarth
Perissodactyla -	Cardiolophus radinskyi⁷ Cardiolophus radinskyi⁷ Gingerich 1991 odd-toed ungulate
Perissodactyla - Equidae	"Hyracotherium grangeri" = Sifrhippus grangeri⁷ "Hyracotherium grangeri" = Sifrhippus grangeri⁷ Gingerich 1989 horse
Procreodi - Arctocyonidae	Thryptacodon antiquus Thryptacodon antiquus Matthew and Granger 1915 condylarth
Artiodactyla - Diacodexeidae	Diacodexis sp.¹ Diacodexis sp.¹ Cope 1882 even-toed ungulate
Leptictida - Leptictidae	cf. Prodiacodon sp. cf. Prodiacodon sp. Matthew 1929 eutherian
Multituberculata - Eucosmodontidae	"Neoliotomus ultimus" = Eucosmodon ultimus "Neoliotomus ultimus" = Eucosmodon ultimus Granger and Simpson 1928 multituberculate

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