MP-167 (Eocene of the United States)

Where: Park County, Wyoming (44.5° N, 108.7° W: paleocoordinates 49.3° N, 91.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified siliciclastic sediments

Size classes: macrofossils, mesofossils

Reposited in the UMMP

Collection methods: surface (float), surface (in situ),

Primary reference: P. D. Gingerich and H. A. Deutsch. 1989. Systematics and Evolution of Early Eocene Hyaenodontidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(13):327-391 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 15705: authorized by John Alroy, entered by John Alroy on 12.04.1997, edited by Leah Gannon and Will Clyde

Creative Commons license: CC BY (attribution)

Taxonomic list

• may be in Big Horn County, Wa-4
Reptilia
 Crocodylia - Alligatoridae
Allognathosuchus sp.1 Mook 1921 crocodilian
 Testudines -
Testudines indet.1 Batsch 1788 turtle
 Squamata -
Mammalia
 Cimolesta - Esthonychidae
Esthonyx bisulcatus1 Cope 1874 tillodont
 Cimolesta - Pantolestidae
Palaeosinopa incerta1 Bown and Schankler 1982 eutherian
 Cimolesta - Coryphodontidae
Coryphodon armatus1 Cope 1872 pantodont
Coryphodon lobatus1 Cope 1877 pantodont
 Theriamorpha - Stylinodontidae
 Macroscelidea - Apheliscidae
Haplomylus scottianus2 Gingerich 1994 elephant shrew
 Condylarthra - Hyopsodontidae
Hyopsodus latidens1 Denison 1937 condylarth
Hyopsodus pauxillus1 Gingerich 1994 condylarth
 Theriamorpha - Metacheiromyidae
Palaeanodon sp.1 Matthew 1918 placental
 Theriamorpha - Epoicotheriidae
"Alocodontulum atopum" = Tubulodon atopum1
"Alocodontulum atopum" = Tubulodon atopum1 Rose et al. 1978 placental
 Creodonta - Oxyaenidae
Palaeonictis occidentalis1 Osborn 1892 creodont
 Creodonta -
Prolimnocyon atavus Matthew and Granger 1915 creodont
 Creodonta - Hyaenodontidae
Arfia opisthotoma1 Matthew 1901 creodont
Prototomus robustus1 Matthew and Granger 1915 creodont
Prototomus ? robustus1 Matthew and Granger 1915 creodont
 Theriamorpha - Viverravidae
Viverravus acutus3 Matthew and Granger 1915 placental
Didymictis protenus3 Cope 1874 placental
 Theriamorpha -
Vulpavus australis1 Matthew and Granger 1915 placental
 Theriamorpha - Phenacodontidae
Phenacodus intermedius1 Granger 1915 condylarth
Phenacodus trilobatus1 Cope 1881 condylarth
 Perissodactyla - Equidae
"Hyracotherium pernix" = Arenahippus pernix1
"Hyracotherium pernix" = Arenahippus pernix1 Marsh 1876 horse
 Perissodactyla -
Homogalax protapirinus1, "Hyracotherium cristatum" = Systemodon tapirinus1
Homogalax protapirinus1 Wortman 1896 odd-toed ungulate
"Hyracotherium cristatum" = Systemodon tapirinus1 Cope 1875 odd-toed ungulate
 Artiodactyla - Diacodexeidae
"Diacodexis robustus" = Bunophorus robustus1, Diacodexis metsiacus1
"Diacodexis robustus" = Bunophorus robustus1 Sinclair 1914 even-toed ungulate
Diacodexis metsiacus1 Cope 1882 even-toed ungulate
 Procreodi - Arctocyonidae
Thryptacodon antiquus1 Matthew and Granger 1915 condylarth
 Rodentia - Ischyromyidae
Paramys copei1 Loomis 1907 rodent
Paramys taurus1 Korth 1984 rodent
 Dermoptera -
Plagiomene multicuspis1 Matthew 1918 colugo
 Primates - Paromomyidae
Phenacolemur simonsi1 Bown and Rose 1976 primate
 Primates - Omomyidae
Pseudotetonius ambiguus1 Matthew 1915 tarsier
Tetonius matthewi1 Bown and Rose 1987 tarsier
originally entered as "Tetonius mathewi"
 Primates - Notharctidae
Cantius trigonodus1 Matthew 1915 primate
 Multituberculata - Neoplagiaulacidae
"Parectypodus simpsoni" = Ectypodus simpsoni1
"Parectypodus simpsoni" = Ectypodus simpsoni1 Jepsen 1930 multituberculate