PBDB Collection

Forked Hills of Hayden (Miocene of the United States)

Also known as UNSM Bd-101

Where: Boyd County, Nebraska (42.9° N, 98.8° W: paleocoordinates 43.4° N, 95.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Barstovian (16.3 - 12.5 Ma)

Environment/lithology: terrestrial

Size classes: macrofossils, mesofossils

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

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18164: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Reptilia
Testudines - Emydidae	Glyptemys valentinensis² Glyptemys valentinensis² Holman and Fritz 2001 turtle
Mammalia
Proboscidea - Gomphotheriidae	"Gomphotherium cf. willistoni" = Trilophodon osborni¹ "Gomphotherium cf. willistoni" = Trilophodon osborni¹ Barbour 1916 gomphothere
Carnivora - Mustelidae	"Hypsoparia cf. bozemanensis" = Leptarctus primus¹, Brachypsalis pachycephalus "Hypsoparia cf. bozemanensis" = Leptarctus primus¹ Leidy 1856 mustelid carnivore Brachypsalis pachycephalus Cope 1890 mustelid carnivore
Carnivora - Procyonidae	Probassariscus sp. Probassariscus sp. Merriam 1911 procyonid carnivore
Carnivora - Amphicyonidae	Amphicyonidae indet. Amphicyonidae indet. Haeckel 1886 bear-dog
Carnivora - Canidae	Aelurodon ferox, Paratomarctus temerarius¹, Cynarctus saxatilis, Leptocyon vafer Aelurodon ferox Leidy 1858 bone-crushing dog Paratomarctus temerarius¹ Leidy 1858 bone-crushing dog Cynarctus saxatilis Matthew 1902 bone-crushing dog Leptocyon vafer Leidy 1858 canine
Carnivora - Felidae	Pseudaelurus intrepidus Pseudaelurus intrepidus Leidy 1858 cat
Perissodactyla - Equidae	Megahippus mckennai, Hypohippus osborni, Parahippus cognatus, Hipparionini indet.¹, Protohippus perditus, Calippus placidus, Pliohippus mirabilis Megahippus mckennai Tedford and Alf 1962 anchitheriine horse Hypohippus osborni Gidley 1907 anchitheriine horse Parahippus cognatus Leidy 1858 anchitheriine horse Hipparionini indet.¹ Quinn 1955 hipparionine horse Protohippus perditus Leidy 1858 horse Calippus placidus Leidy 1869 horse Pliohippus mirabilis Leidy 1858 horse
Perissodactyla - Rhinocerotidae	Peraceras cf. superciliosum¹ Peraceras cf. superciliosum¹ Cope 1880 rhinoceros
Artiodactyla - Merycoidodontidae	"Merychyus medius" = Ustatochoerus medius¹ "Merychyus medius" = Ustatochoerus medius¹ Leidy 1858 oreodont
Artiodactyla - Tayassuidae	"Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus¹ "Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus¹ Barbour 1925 peccary
Artiodactyla - Camelidae	Protolabis cf. gracilis, Aepycamelus robustus, Procamelus occidentalis Protolabis cf. gracilis Leidy 1858 camel Aepycamelus robustus Leidy 1858 camel Procamelus occidentalis Leidy 1858 camel
Artiodactyla - Moschidae	"Longirostromeryx blicki" = Longirostromeryx wellsi "Longirostromeryx blicki" = Longirostromeryx wellsi Matthew 1904 musk deer
Artiodactyla - Antilocapridae	Merycodus warreni Merycodus warreni Leidy 1858 pronghorn
Artiodactyla - Palaeomerycidae	Procranioceras skinneri¹ Procranioceras skinneri¹ Frick 1937 ruminant
Theriamorpha - Talpidae	Mystipterus sp., Domninoides valentinensis Mystipterus sp. Hall 1930 mole Domninoides valentinensis Reed 1962 mole
Theriamorpha - Erinaceidae	Untermannerix copiosus, Parvericius montanus, Metechinus amplior Untermannerix copiosus Rich 1981 hedgehog Parvericius montanus Koerner 1940 hedgehog Metechinus amplior Rich 1981 hedgehog
Lagomorpha - Leporidae	Archaeolaginae indet.¹ Archaeolaginae indet.¹ rabbit
Rodentia - Mylagaulidae	Mylagaulidae indet.³ Mylagaulidae indet.³ Cope 1881 rodent
Rodentia - Zapodidae	Schaubeumys cartomylos, Megasminthus tiheni Schaubeumys cartomylos Korth 1987 jumping mouse Megasminthus tiheni Klingener 1966 jumping mouse
Rodentia - Cricetidae	"Copemys niobrariensis" = Copemys longidens "Copemys niobrariensis" = Copemys longidens Hall 1930 mouse
Rodentia - Sciuridae	Petauristodon sp.¹, Protospermophilus sp., "Tamiini indet." = Marmotini¹ Petauristodon sp.¹ Engesser 1979 squirrel Protospermophilus sp. Gazin 1930 squirrel "Tamiini indet." = Marmotini¹ squirrel
Rodentia - Castoridae	Eucastor tortus, Monosaulax curtus Eucastor tortus Leidy 1858 beaver Monosaulax curtus Matthew and Cook 1909 beaver
Rodentia - Geomyidae	"Phelosaccomys annae" = Parapliosaccomys annae¹ "Phelosaccomys annae" = Parapliosaccomys annae¹ Korth 1987 pocket gopher
Rodentia - Heteromyidae	Perognathus trojectioansrum, Perognathus brevidens, Cupidinimus nebraskensis Perognathus trojectioansrum Korth 1979 pocket mouse Perognathus brevidens Korth 1987 pocket mouse Cupidinimus nebraskensis Wood 1935 rodent

¹Alroy 2002; ²Holman and Fritz 2001; ³Korth 2000