SC-210 (Eocene of the United States)

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: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Reposited in the UMMP

Primary reference: D. A. Winkler. 1983. Paleoecology of an Early Eocene mammalian fauna from paleosols in the Clarks Fork Basin, northwestern Wyoming (U.S.A.). Palaeography, Palaeoclimatology, Palaeoecology 43:261-298 [J. Alroy/J. Alroy/R. Whatley]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 15793: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Robin Whatley

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 1737, but only 1041 are craniodental
1645 m level
Show authors, comments, and common names
unclassified
  -
Protoboysia complicata
Gastropoda
 Heterostropha - Physidae
Physa sp.
Physa sp. Draparnaud 1801 snail
 Stylommatophora - Grangerellidae
Grangerella sp.
Grangerella sp. Cockerell 1915 slug
 Stylommatophora -
Sigmurethra indet.
Sigmurethra indet. Pilsbry 1900 slug
"three or more terrestrial types"
 Stylommatophora - Pupillidae
Pupillidae indet.
Pupillidae indet. Turton 1831 slug
"2 species"
 Stylommatophora - Polygyridae
Polygyra sp.
Polygyra sp. Say 1818 slug
 Stylommatophora - Oreohelicidae
Oreohelix sp.
Oreohelix sp. Pilsbry 1904 mountain snail
 Architaenioglossa - Viviparidae
Viviparus sp.
Viviparus sp. Montfort 1810 snail
 Pulmonata - Discidae
Discus sp.
Discus sp. Fitzinger 1833 disk snail
Mammalia
 Theriamorpha - Leptictidae
cf. Prodiacodon sp.
cf. Prodiacodon sp. Matthew 1929 eutherian
 Theriamorpha - Stylinodontidae
Ectoganus sp.
Ectoganus sp. Cope 1874 taeniodont
 Proteutheria - Palaeoryctidae
Eoryctes melanus10
Eoryctes melanus10 Thewissen and Gingerich 1989 eutherian
presumably includes "cf. Palaeoryctes sp.," which is in the same subfamily
 Cimolesta - Coryphodontidae
Coryphodon sp.
Coryphodon sp. Owen 1845 pantodont
 Cimolesta - Esthonychidae
Esthonyx spatularius
Esthonyx spatularius Cope 1880 tillodont
 Condylarthra - Hyopsodontidae
Hyopsodus loomisi
Hyopsodus loomisi McKenna 1960 condylarth
 Macroscelidea - Apheliscidae
Apheliscus chydaeus7, Haplomylus speirianus
Apheliscus chydaeus7 Gingerich 1994 elephant shrew
Haplomylus speirianus Cope 1880 elephant shrew
 Acreodi - Mesonychidae
Pachyaena sp.
Pachyaena sp. Cope 1874 condylarth
 Theriamorpha - Phenacodontidae
Phenacodontidae indet.1, Ectocion osbornianus
Phenacodontidae indet.1 Cope 1881 condylarth
Ectocion osbornianus Cope 1882 condylarth
described by Thewissen 1990
 Perissodactyla - Equidae
"Hyracotherium grangeri" = Sifrhippus grangeri
"Hyracotherium grangeri" = Sifrhippus grangeri Gingerich 1989 horse
 Perissodactyla -
Cardiolophus radinskyi6
Cardiolophus radinskyi6 Gingerich 1991 odd-toed ungulate
 Procreodi - Arctocyonidae
Thryptacodon antiquus
Thryptacodon antiquus Matthew and Granger 1915 condylarth
 Artiodactyla - Diacodexeidae
Diacodexis sp.1
Diacodexis sp.1 Cope 1882 even-toed ungulate
 Theriamorpha - Viverravidae
Viverravus rosei9, Viverravus acutus, Didymictis protenus9
Viverravus rosei9 Polly 1997 placental
presumably "V. sp. 1"
Viverravus acutus Matthew and Granger 1915 placental
confirmed by Polly 1997
Didymictis protenus9 Cope 1874 placental
 Carnivora - Miacidae
Miacidae indet.1
Miacidae indet.1 Cope 1880 carnivoran
 Theriamorpha -
"Miacis winkleri" = Gracilocyon winkleri4
"Miacis winkleri" = Gracilocyon winkleri4 Gingerich 1983 placental
probably "M. exiguus" of Winkler
 Theriamorpha - Metacheiromyidae
Palaeanodon nievelti5
Palaeanodon nievelti5 Gingerich 1989 placental
 Creodonta - Oxyaenidae
Oxyaena gulo
Oxyaena gulo Matthew and Granger 1915 creodont
 Creodonta -
Prolimnocyon haematus8
Prolimnocyon haematus8 Gingerich and Deutsch 1989 creodont
 Creodonta - Hyaenodontidae
Prototomus phobos8, Tritemnodon sp., Arfia shoshoniensis8
Prototomus phobos8 Gingerich and Deutsch 1989 creodont
Tritemnodon sp. Matthew 1906 creodont
Arfia shoshoniensis8 Matthew and Granger 1915 creodont
 Theriamorpha -
cf. Talpavus sp.
cf. Talpavus sp. Marsh 1872 placental
 Theriamorpha - Parapternodontidae
Parapternodus antiquus2
Parapternodus antiquus2 Bown and Schankler 1982 placental
 Theriamorpha - Erinaceidae
Erinaceidae indet., Erinaceidae indet.1
Erinaceidae indet. Fischer von Waldheim 1817 hedgehog
Erinaceidae indet.1 Fischer von Waldheim 1817 hedgehog
 Rodentia - Ischyromyidae
cf. Paramys sp.
cf. Paramys sp. Leidy 1871 rodent
three forms
 Primates - Paromomyidae
Phenacolemurinae indet.1
Phenacolemurinae indet.1 Simpson 1955 primate
 Primates - Omomyidae
Teilhardina americana3
Teilhardina americana3 Bown 1976 tarsier
 Primates - Notharctidae
Cantius ralstoni1
Cantius ralstoni1 Matthew 1915 primate
 Primates - Microsyopidae
Arctodontomys wilsoni1
Arctodontomys wilsoni1 Szalay 1969 primate
 Multituberculata - Neoplagiaulacidae
Ectypodus tardus
Ectypodus tardus Jepsen 1940 multituberculate
Reptilia
 Squamata - Anguidae
Odaxosaurus cf. jepseni, cf. Gerrhonotus sp., Melanosaurus maximus, Paraglyptosaurus sp.
cf. Gerrhonotus sp. Wiegmann 1828 alligator lizard
Melanosaurus maximus Gilmore 1928 squamates
Paraglyptosaurus sp. Sullivan 1979 squamates
 Testudinata - Baenidae
"Baena" "sp."
"Baena" "sp." Leidy 1870 turtle
 Crocodylia - Alligatoridae
Allognathosuchus sp.
Allognathosuchus sp. Mook 1921 crocodilian
Aves
  -
Aves indet.
Aves indet. Linnaeus 1758 bird
egg shell fragments
Amphibia
 Salientia -
Anura indet.
Actinopteri
 Amiiformes - Amiidae
Amia sp.
Amia sp. Linnaeus 1766 bowfin
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp.
Lepisosteus sp. Agassiz 1843 gar
1Alroy 2002; 2Asher et al. 2002; 3Bown and Rose 1987; 4Gingerich 1983; 5Gingerich 1989; 6Gingerich 1991; 7Gingerich 1994; 8Gingerich and Deutsch 1989; 9Polly 1997; 10Thewissen and Gingerich 1989