Sugar Creek (Neogene to of the United States)

Where: Owyhee County, Idaho (42.7° N, 115.9° W: paleocoordinates 43.1° N, 114.2° W)

When: Chalk Hills Formation (Idaho Group), early Early Hemphillian to early Early Hemphillian (10.3 - 4.9 Ma)

Environment/lithology: terrestrial; paleosol/pedogenic siltstone and sandstone

Size classes: macrofossils, mesofossils

Preservation: permineralized

Collection methods: Idaho Museum of Natural History collection

Primary reference: R. A. Rapp. 2006. Owyhee bones: Hemphillian (latest Miocene) Little Jacks Creek (LJC) and Sugar Creek (SC) terrestrial local faunas of the western Snake River Plain, Owyhee County, Idaho. Idaho State University i-397 [J. Orcutt/J. Orcutt/J. Orcutt]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 218111: authorized by John Orcutt, entered by John Orcutt on 18.02.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

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Mammalia
 Rodentia - Castoridae
Dipoides wilsoni
Dipoides wilsoni Hibbard 1949 beaver
 Rodentia - Sciuridae
cf. Spermophilus sp., Spermophilus cf. matachisensis
cf. Spermophilus sp. Cuvier 1825 ground squirrel
 Lagomorpha - Leporidae
Leporidae indet.
Leporidae indet. Fischer de Waldheim 1817 rabbit
 Perissodactyla - Rhinocerotidae
Aphelops cf. mutilus, Teleoceras cf. fossiger
Aphelops cf. mutilus Matthew 1924 rhinoceros
Teleoceras cf. fossiger Cope 1878 rhinoceros
 Perissodactyla - Equidae
Cormohipparion sp., "Pliohippus spectans" = Dinohippus spectans
Cormohipparion sp. Skinner and MacFadden 1977 hipparionine horse
Named in thesis as n. sp. C. plicoartus
"Pliohippus spectans" = Dinohippus spectans Cope 1880 horse
 Artiodactyla - Camelidae
Hemiauchenia sp., ? Alforjas sp., Megatylopus cf. gigas
Hemiauchenia sp. Gervais and Ameghino 1880 camel
? Alforjas sp. Harrison 1979 camel
Megatylopus cf. gigas Matthew and Cook 1909 camel
 Artiodactyla - Tayassuidae
Tayassuidae indet.
Tayassuidae indet. Palmer 1897 peccary
 Carnivora - Felidae
Felidae indet., Puma cf. lacustris
Felidae indet. Gray 1821 cat
Puma cf. lacustris Gazin 1933 cougar
 Carnivora - Canidae
Borophagus sp.
Borophagus sp. Cope 1892 bone-crushing dog
cf. B. secundus and B. hilli
 Soricomorpha - Talpidae
Talpidae indet.
Talpidae indet. Fischer de Waldheim 1817 mole
 Proboscidea -
Proboscidea indet.
Proboscidea indet. Illiger 1811 proboscidean
Gomphotheriidae or Mammutidae
Aves
 Accipitriformes - Accipitridae
Accipitridae indet., cf. Aquila sp.
Accipitridae indet. Viellot 1816 hawk
cf. Aquila sp. Linnaeus 1758 eagle
 Anseriformes - Anatidae
Anatidae indet.
Anatidae indet. Vigors 1825 waterfowl
 Ciconiiformes -
Ciconiiformes indet.
Ciconiiformes indet. Bonaparte 1854 bird
Reptilia
 Testudines - Emydidae
"Clemmys owyheensis" = Emys marmorata
"Clemmys owyheensis" = Emys marmorata Baird and Girard 1852 western pond turtle