Where: Antelope County, Nebraska (42.3° N, 98.0° W: paleocoordinates 42.7° N, 95.4° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Cap Rock Member (Ash Hollow Formation), Clarendonian (12.5 - 9.4 Ma)
Environment/lithology: terrestrial; sandstone
Size classes: macrofossils, mesofossils, microfossils
Primary reference: S. T. Tucker, R. E. Otto, R. M. Joeckel and M. R. Voorhies. 2014. The geology and paleontology of Ashfall Fossil Beds, a late Miocene (Clarendonian) mass-death assemblage, Antelope County and adjacent Knox County, Nebraska, USA. Geological Society of America Field Guide 36:1-22 [P. Holroyd/P. Holroyd/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 188779: authorized by Patricia Holroyd, entered by Patricia Holroyd on 18.09.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Gnathostomata | |
Osteichthyes indet. bony fish | |
Amphibia | |
Bufo valentinensis Estes and Tihen 1964 toad | |
Ambystoma tigrinum Green 1825 tiger salamander
Ambystoma minshalli Tihen and Chantell 1963 mole salamander | |
Aves | |
Balearica exigua crowned cranes | |
Rallidae indet. Vigors 1825 rail | |
| |
Apatosagittarius terrenus Feduccia and Voorhies 1989 hawk | |
Reptilia | |
Salvadora paleolineata Holman 1973 colubrid snake
Ameiseophis robinsoni Holman 1976 colubrid snake
Nerodia sp. Baird and Girard 1853 water snake
Thamnophis sp. Fitzinger 1843 garter snake
Paleoheterodon tiheni Holman 1964 colubrid snake | |
Viperidae indet. Oppel 1811 viper | |
Plestiodon sp. Dumeril and Bibron 1839 skink | |
Cnemidophorus cf. sexlineatus Linnaeus 1766 six-lined racerunner | |
Chrysemys sp. Gray 1844 painted turtle | |
Hesperotestudo orthopygia Cope 1878 turtle | |
Sternotherus odoratus Latreille 1801 Common musk turtle | |
Mammalia | |
Myotis sp. Kaup 1829 vesper bat | |
cf. Eubelodon sp. Barbour 1914 gomphothere | |
Leptarctus sp. Leidy 1856 mustelid carnivore | |
Ischyrocyon cf. gidleyi Matthew 1902 bear-dog | |
Aelurodon sp., Epicyon cf. saevus, Epicyon cf. haydeni, Carpocyon cf. webbi, Cynarctus cf. voorhiesi, Leptocyon sp.
Aelurodon sp. Leidy 1858 bone-crushing dog
Epicyon cf. saevus Leidy 1858 bone-crushing dog
Epicyon cf. haydeni Leidy 1858 bone-crushing dog
Carpocyon cf. webbi Wang et al. 1999 bone-crushing dog
Cynarctus cf. voorhiesi Wang et al. 1999 bone-crushing dog
Leptocyon sp. Matthew 1918 canine | |
Cormohipparion occidentale, Neohipparion affine, Pseudhipparion gratum, "? Protohippus simus" = Protohippus supremus, Pliohippus pernix
Cormohipparion occidentale Leidy 1856 hipparionine horse
Neohipparion affine Leidy 1869 hipparionine horse
Pseudhipparion gratum Leidy 1869 hipparionine horse
"? Protohippus simus" = Protohippus supremus Leidy 1869 horse
Pliohippus pernix Marsh 1874 horse | |
Teleoceras major Hatcher 1894 rhinoceros
Aphelops sp. Owen 1845 rhinoceros | |
"Ustatochoerus skinneri" = Ustatochoerus major
"Ustatochoerus skinneri" = Ustatochoerus major Leidy 1858 oreodont | |
"Prosthennops" sp. Matthew and Gidley 1904 peccary | |
Protolabis heterodontus Cope 1874 camel
Aepycamelus sp. Macdonald 1956 camel
Procamelus grandis Gregory 1939 camel
Megatylopus sp. Matthew and Cook 1909 camel | |
Pseudoceras sp. Frick 1937 ruminant | |
Longirostromeryx wellsi Matthew 1904 musk deer | |
cf. Proantilocapra sp. Barbour and Schultz 1934 pronghorn | |
Cranioceras sp. Matthew 1918 ruminant | |
Talpidae indet. Fischer de Waldheim 1817 mole | |
Soricidae indet. Fischer 1814 shrew | |
Untermannerix copiosus Rich 1981 hedgehog
Metechinus nevadensis Matthew 1929 hedgehog | |
Ochotonidae indet. Thomas 1897 pika | |
Hypolagus sp. Dice 1917 rabbit
Hypolagus cf. fontinalis Dawson 1958 rabbit | |
Ceratogaulus cf. anectodus rodent | |
Copemys sp. Wood 1936 mouse | |
Spermophilus cyanocittus Korth 1997 ground squirrel
Ammospermophilus junturensis Shotwell and Russell 1963 antelope squirrel | |
Eucastor sp. Allen 1877 beaver | |
"Phelosaccomys hibbardi" = Parapliosaccomys hibbardi
"Phelosaccomys hibbardi" = Parapliosaccomys hibbardi Storer 1973 pocket gopher | |
Perognathus cf. minutus James 1963 pocket mouse
Cupidinimus sp. Wood 1935 rodent
Mioheteromys cf. amplissimus Korth 1997 rodent | |
Angiospermae | |
Celtis occidentalis hackberry | |
Juglandicarya sp. Reid and Chandler 1933 | |
Berriochloa communis grass | |
Polypodiopsida | |
Equisetum sp. Linnaeus 1753 horsetail |