Hazard Homestead Quarry (Miocene of the United States)

Also known as UNSM Hk-104

Where: Hitchcock County, Nebraska (40.2° N, 101.1° W)

• Paleocoordinates: 43.5° N, 94.7° W (Wright 2013)

• coordinate based on political unit

• small collection-level geographic resolution

When: Barstovian (16.3 - 12.5 Ma)

Environment/lithology: terrestrial

Size class: macrofossils

Reposited in the UNSM

Primary reference: M. R. Voorhies. 1990. Vertebrate biostratigraphy of the Ogallala Group in Nebraska. In T. C. Gustavson (ed.), Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw and Ogallala Formations, Great Plains 115-151 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 18192: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Squamata - Colubridae
Coluber constrictor2
Coluber constrictor2 Linnaeus 1758 black racer
AMNH specimen (apparently of Cope's) from "Driftwood Creek, Hitchock County"
Mammalia
 Proboscidea - Gomphotheriidae
"Gomphotherium cf. willistoni" = Trilophodon osborni1
"Gomphotherium cf. willistoni" = Trilophodon osborni1 Barbour 1916 gomphothere
 Proboscidea - Mammutidae
Zygolophodon sp.
Zygolophodon sp. Vacek 1877 mastodon
 Lagomorpha - Leporidae
Hypolagus parviplicatus
Hypolagus parviplicatus Dawson 1958 rabbit
 Rodentia - Heteromyidae
Cupidinimus nebraskensis
Cupidinimus nebraskensis Wood 1935 rodent
 Rodentia - Mylagaulidae
Umbogaulus monodon n. sp.4
Umbogaulus monodon n. sp.4 Cope 1881 rodent
of Cope 1881 "Mylagaulus sp."
 Carnivora - Mustelidae
Mustelidae indet.1
Mustelidae indet.1 Batsch 1788 mustelid carnivore
 Carnivora - Amphicyonidae
Pseudocyon sp.3
Pseudocyon sp.3 Lartet 1851 bear-dog
 Carnivora - Canidae
Leptocyon vafer, Carpocyon compressus1, Paratomarctus temerarius1, Aelurodon ferox
Leptocyon vafer Leidy 1858 canine
Carpocyon compressus1 Cope 1890 bone-crushing dog
Paratomarctus temerarius1 Leidy 1858 bone-crushing dog
Aelurodon ferox Leidy 1858 bone-crushing dog
confirmed by Wang et al. 1999, who also list older AMNH specimens of A. asthenostylus, Epicyon saevus, and E. haydeni from "Driftwood Creek" and a new specimen of A. taxoides from "Driftwood Creek"
 Artiodactyla - Dromomerycidae
Procranioceras skinneri1
Procranioceras skinneri1 Frick 1937 ruminant
 Artiodactyla - Moschidae
Longirostromeryx sp.
Longirostromeryx sp. Frick 1937 musk deer
 Artiodactyla - Antilocapridae
Merycodontinae indet.1, Ramoceros cf. osborni
Merycodontinae indet.1 Matthew 1904 pronghorn
Ramoceros cf. osborni Matthew 1904 pronghorn
may include "R. hitchcockensis" type of Frick 1937 from "Burroak Creek (a side branch of Driftwood Creek), Hitchcock County" and referred specimen from "Hazard Collection"
 Artiodactyla - Protoceratidae
Prosynthetoceras sp.
Prosynthetoceras sp. Frick 1937 protoceratid
 Artiodactyla - Merycoidodontidae
"Merychyus medius" = Ustatochoerus medius1
"Merychyus medius" = Ustatochoerus medius1 Leidy 1858 oreodont
 Artiodactyla - Camelidae
Protolabis cf. gracilis, Procamelus occidentalis, Aepycamelus robustus, Nothotylopus sp.
Protolabis cf. gracilis Leidy 1858 camel
apparently includes "P. inaequidens"; see Voorhies 1990
Procamelus occidentalis Leidy 1858 camel
Aepycamelus robustus Leidy 1858 camel
Nothotylopus sp. Patton 1969 camel
 Artiodactyla - Tayassuidae
"Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus1
"Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus1 Barbour 1925 peccary
 Perissodactyla - Rhinocerotidae
Peraceras cf. superciliosum1, Aphelops sp., "Teleoceras minor" = Teleoceras meridianum5
Peraceras cf. superciliosum1 Cope 1880 rhinoceros
Aphelops sp. Owen 1845 rhinoceros
"Teleoceras minor" = Teleoceras meridianum5 Leidy 1865 rhinoceros
 Perissodactyla - Equidae
Merychippus cf. insignis, "Merychippus" republicanus, Pliohippus sp., Calippus placidus, Protohippus perditus, Hypohippus osborni
Merychippus cf. insignis Leidy 1856 horse
"Merychippus" republicanus Osborn 1918 horse
matches for the types of republicanus and patruus are mentioned by Voorhies as having been found; patruus is a probable junior synonym of republicanus, JA pers. obs. 20 Feb 1991
Pliohippus sp. Marsh 1874 horse
seems OK
Calippus placidus Leidy 1869 horse
Protohippus perditus Leidy 1858 horse
Hypohippus osborni Gidley 1907 anchitheriine horse
 Tribosphenida - Erinaceidae
Metechinus amplior
Metechinus amplior Rich 1981 hedgehog
1Alroy 2002; 2Brattstrom 1967; 3Hunt 1998; 4Korth 2000; 5Mead 1999