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 | |
Polypodiopsida | |
Equisetum sp. Linnaeus 1753 horsetail | |
Angiospermae | |
Berriochloa communis grass | |
Celtis occidentalis hackberry | |
Juglandicarya sp. Reid and Chandler 1933 | |
Gnathostomata | |
Osteichthyes indet. bony fish | |
Amphibia | |
Ambystoma tigrinum Green 1825 tiger salamander
Ambystoma minshalli Tihen and Chantell 1963 mole salamander | |
Bufo valentinensis Estes and Tihen 1964 toad | |
Reptilia | |
Viperidae indet. Oppel 1811 viper | |
Paleoheterodon tiheni Holman 1964 colubrid snake
Ameiseophis robinsoni Holman 1976 colubrid snake
Salvadora paleolineata Holman 1973 colubrid snake
Nerodia sp. Baird and Girard 1853 water snake
Thamnophis sp. Fitzinger 1843 garter snake | |
Cnemidophorus cf. sexlineatus Linnaeus 1766 six-lined racerunner | |
Plestiodon sp. Dumeril and Bibron 1839 skink | |
Aves | |
Rallidae indet. Vigors 1825 rail | |
Balearica exigua crowned cranes | |
| |
Apatosagittarius terrenus Feduccia and Voorhies 1989 hawk | |
Reptilia | |
Sternotherus odoratus Latreille 1801 Common musk turtle | |
Hesperotestudo orthopygia Cope 1878 turtle | |
Chrysemys sp. Gray 1844 painted turtle | |
Mammalia | |
cf. Eubelodon sp. Barbour 1914 gomphothere | |
Myotis sp. Kaup 1829 vesper bat | |
Ammospermophilus junturensis Shotwell and Russell 1963 antelope squirrel
Spermophilus cyanocittus Korth 1997 ground squirrel | |
Copemys sp. Wood 1936 mouse | |
Eucastor sp. Allen 1877 beaver | |
"Phelosaccomys hibbardi" = Parapliosaccomys hibbardi
"Phelosaccomys hibbardi" = Parapliosaccomys hibbardi Storer 1973 pocket gopher | |
Mioheteromys cf. amplissimus Korth 1997 rodent
Cupidinimus sp. Wood 1935 rodent
Perognathus cf. minutus James 1963 pocket mouse | |
Ceratogaulus cf. anectodus rodent | |
Hypolagus sp. Dice 1917 rabbit
Hypolagus cf. fontinalis Dawson 1958 rabbit | |
Ochotonidae indet. Thomas 1897 pika | |
Metechinus nevadensis Matthew 1929 hedgehog
Untermannerix copiosus Rich 1981 hedgehog | |
Talpidae indet. Fischer de Waldheim 1817 mole | |
Soricidae indet. Fischer 1814 shrew | |
Ischyrocyon cf. gidleyi Matthew 1902 bear-dog | |
Leptarctus sp. Leidy 1856 mustelid carnivore | |
Leptocyon sp., Aelurodon sp., Epicyon cf. haydeni, Epicyon cf. saevus, Carpocyon cf. webbi, Cynarctus cf. voorhiesi
Leptocyon sp. Matthew 1918 canine
Aelurodon sp. Leidy 1858 bone-crushing dog
Epicyon cf. haydeni Leidy 1858 bone-crushing dog
Epicyon cf. saevus 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 | |
"Ustatochoerus skinneri" = Ustatochoerus major
"Ustatochoerus skinneri" = Ustatochoerus major Leidy 1858 oreodont | |
Longirostromeryx wellsi Matthew 1904 musk deer | |
cf. Proantilocapra sp. Barbour and Schultz 1934 pronghorn | |
Cranioceras sp. Matthew 1918 ruminant | |
Pseudoceras sp. Frick 1937 ruminant | |
"Prosthennops" sp. Matthew and Gidley 1904 peccary | |
Megatylopus sp. Matthew and Cook 1909 camel
Aepycamelus sp. Macdonald 1956 camel
Procamelus grandis Gregory 1939 camel
Protolabis heterodontus Cope 1874 camel | |
"? Protohippus simus" = Protohippus supremus, Pliohippus pernix, Pseudhipparion gratum, Neohipparion affine, Cormohipparion occidentale
"? Protohippus simus" = Protohippus supremus Leidy 1869 horse
Pliohippus pernix Marsh 1874 horse
Pseudhipparion gratum Leidy 1869 hipparionine horse
Neohipparion affine Leidy 1869 hipparionine horse
Cormohipparion occidentale Leidy 1856 hipparionine horse | |
Teleoceras major Hatcher 1894 rhinoceros
Aphelops sp. Owen 1845 rhinoceros |