PBDB Collection

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

Mammalia
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 - Amphicyonidae	Pseudocyon sp.³ Pseudocyon sp.³ Lartet 1851 bear-dog
Carnivora - Mustelidae	Mustelidae indet.¹ Mustelidae indet.¹ Batsch 1788 mustelid carnivore
Carnivora - Canidae	Aelurodon ferox, Paratomarctus temerarius¹, Carpocyon compressus¹, Leptocyon vafer 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" Paratomarctus temerarius¹ Leidy 1858 bone-crushing dog Carpocyon compressus¹ Cope 1890 bone-crushing dog Leptocyon vafer Leidy 1858 canine
Artiodactyla - Tayassuidae	"Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus¹ "Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus¹ Barbour 1925 peccary
Artiodactyla - Merycoidodontidae	"Merychyus medius" = Ustatochoerus medius¹ "Merychyus medius" = Ustatochoerus medius¹ Leidy 1858 oreodont
Artiodactyla - Camelidae	Nothotylopus sp., Aepycamelus robustus, Procamelus occidentalis, Protolabis cf. gracilis Nothotylopus sp. Patton 1969 camel Aepycamelus robustus Leidy 1858 camel Procamelus occidentalis Leidy 1858 camel Protolabis cf. gracilis Leidy 1858 camel apparently includes "P. inaequidens"; see Voorhies 1990
Artiodactyla - Protoceratidae	Prosynthetoceras sp. Prosynthetoceras sp. Frick 1937 protoceratid
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 - Dromomerycidae	Procranioceras skinneri¹ Procranioceras skinneri¹ Frick 1937 ruminant
Perissodactyla - Equidae	Protohippus perditus, Pliohippus sp., Calippus placidus, "Merychippus" republicanus, Merychippus cf. insignis, Hypohippus osborni Protohippus perditus Leidy 1858 horse Pliohippus sp. Marsh 1874 horse seems OK Calippus placidus Leidy 1869 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 Merychippus cf. insignis Leidy 1856 horse Hypohippus osborni Gidley 1907 anchitheriine horse
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
Tribosphenida - Erinaceidae	Metechinus amplior Metechinus amplior Rich 1981 hedgehog
Proboscidea - Gomphotheriidae	"Gomphotherium cf. willistoni" = Trilophodon osborni¹ "Gomphotherium cf. willistoni" = Trilophodon osborni¹ Barbour 1916 gomphothere
Proboscidea - Mammutidae	Zygolophodon sp. Zygolophodon sp. Vacek 1877 mastodon
Reptilia
Squamata - Colubridae	Coluber constrictor² Coluber constrictor² Linnaeus 1758 black racer AMNH specimen (apparently of Cope's) from "Driftwood Creek, Hitchock County"

¹Alroy 2002; ²Brattstrom 1967; ³Hunt 1998; ⁴Korth 2000; ⁵Mead 1999