PBDB Collection

WW-84 (Eocene of the United States)

Where: Washakie County County, Wyoming (44.1° N, 107.9° W: paleocoordinates 48.7° N, 91.3° W)

• coordinate stated in text

When: Wa-0 mammal zone, Willwood Formation, Early/Lower Eocene (55.8 - 48.6 Ma)

• in gray/yellow channel cut into the middle of Big Red, including anthills developed on this layer.

Environment/lithology: "floodplain"lithified, paleosol/pedogenic, muddy

• in gray/yellow channel cut into the middle of Big Red, including anthills developed on this layer.

Collection methods: surface (float), anthill

• Rich anthills at this site produced almost 300 identifiable mammal teeth.

Primary reference: K. D. Rose, A. E. Chew, R. H. Dunn, M. J. Kraus, H. C. Fricke and S. P. Zack. 2012. Earliest Eocene mammalian fauna from the Paleocene-Eocene Thermal Maximum at Sand Creek Divide, southern Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 36:1-122 [J. Bloch/J. Bloch]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 154262: authorized by Jonathan Bloch, entered by Jonathan Bloch on 06.02.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Mammalia
Theriamorpha - Peradectidae	Mimoperadectes labrus Mimoperadectes labrus Bown and Rose 1979 marsupial
Theriamorpha - Leptictidae	Didelphodus sp. Didelphodus sp. Cope 1882 eutherian
Theriamorpha - Stylinodontidae	Ectoganus bighornensis Ectoganus bighornensis Schoch 1981 taeniodont
Condylarthra - Hyopsodontidae	Hyopsodus loomisi Hyopsodus loomisi McKenna 1960 condylarth
Theriamorpha - Phenacodontidae	Ectocion parvus, Copecion davisi, Phenacodus intermedius Ectocion parvus Granger 1915 condylarth Copecion davisi Gingerich 1989 condylarth Phenacodus intermedius Granger 1915 condylarth
Procreodi - Arctocyonidae	Chriacus badgleyi Chriacus badgleyi Gingerich 1989 condylarth
Artiodactyla - Diacodexeidae	Diacodexis ilicis Diacodexis ilicis Gingerich 1989 even-toed ungulate
Theriamorpha - Viverravidae	Viverravus rosei, Viverravus acutus, Didymictis leptomylus Viverravus rosei Polly 1997 placental Viverravus acutus Matthew and Granger 1915 placental Didymictis leptomylus Cope 1880 placental
Carnivora -	Miacoidea indet. Miacoidea indet. Cope carnivoran "These eight isolated teeth or tooth fragments represent at least three different taxa based on size differences."
Theriamorpha -	Uintacyon gingerichi, "Miacis rosei" = Gracilocyon rosei Uintacyon gingerichi Heinrich et al. 2008 placental "Miacis rosei" = Gracilocyon rosei Heinrich et al. 2008 placental "Cf. Miacis rosei"
Creodonta - Oxyaenidae	Dipsalidictis platypus Dipsalidictis platypus Matthew and Granger 1915 creodont
Creodonta -	Prolimnocyon eerius Prolimnocyon eerius Gingerich 1989 creodont
Creodonta - Hyaenodontidae	Hyaenodontidae indet., Prototomus deimos, Arfia junnei Hyaenodontidae indet. Leidy 1869 creodont "?Hyaenodontidae, unnamed sp. nov.?" Prototomus deimos Gingerich and Deutsch 1989 creodont Arfia junnei Gingerich 1989 creodont
Theriamorpha - Pantolestoidae	Palaeosinopa lutreola Palaeosinopa lutreola Matthew 1918 placental
Rodentia - Ischyromyidae	Paramys taurus Paramys taurus Korth 1984 rodent
Rodentia - Cylindrodontidae	Tuscahomys cf. major Tuscahomys cf. major Dawson and Beard 2007 rodent
Primates - Omomyidae	Teilhardina brandti Teilhardina brandti Gingerich 1993 tarsier includes post crania
Primates - Notharctidae	Cantius torresi Cantius torresi Gingerich 1986 primate
Primates - Microsyopidae	Niptomomys cf. doreenae, Arctodontomys wilsoni Niptomomys cf. doreenae McKenna 1960 primate Arctodontomys wilsoni Szalay 1969 primate