Fort Niobrara (Miocene of the United States)

Also known as Lull's Quarry D; Niobrara River; UCMP V-3218

Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.4° N, 97.5° W)

• coordinate based on political unit

When: Crookston Bridge Member (Valentine Formation), Barstovian (16.0 - 13.6 Ma)

Environment/lithology: terrestrial

Primary reference: R. A. Stirton and P. O. McGrew. 1935. A Preliminary Notice on the Miocene and Pliocene Mammalian Faunas Near Valentine, Nebraska. American Journal of Science 29(170):125-132 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 18165: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• see also Skinner and Johnson 1984
 Siluriformes - Ictaluridae
Ictalurus sp.3 Rafinesque 1820 catfish
two forms
 Amiiformes - Amiidae
Amia sp.3 Linnaeus 1766 bowfin
 Salientia - Ranidae
Rana sp.3 Linnaeus 1758 frog
 Salientia - Bufonidae
Bufo cf. hibbardi3 Taylor 1936 toad
 Testudines - Trionychidae
Trionychidae indet.2 Gray 1825 softshell turtle
 Testudines - Pantestudinidae
"Geochelone orthopygia" = Geochelone (Hesperotestudo) orthopygia3
"Geochelone orthopygia" = Geochelone (Hesperotestudo) orthopygia3 Cope 1878 turtle
 Squamata - Teiidae
cf. Cnemidophorus sp.3 Wagler 1830 whiptail lizard
 Squamata - Anguidae
Gerrhonotus sp.3 Wiegmann 1828 alligator lizard
 Squamata - Iguanidae
Iguanidae indet.3 Oppel 1811 lizard
"form A"
Phrynosoma sp.3 Wiegmann 1828 horned lizard
 Squamata - Boidae
Boidae indet.3 Gray 1825 boa
 Rodentia - Cricetidae
"Copemys niobrariensis" = Copemys longidens13, "Copemys niobrariensis" = Copemys longidens12
"Copemys niobrariensis" = Copemys longidens13 Hall 1930 mouse
"Copemys niobrariensis" = Copemys longidens12 Hall 1930 mouse
type of Hoffmeister 1959
 Rodentia - Heteromyidae
"Perognathoides sp." = Cupidinimus5, Cupidinimus nebraskensis5, Mookomys altifluminis1, "Mioheteromys agrarius" = Diprionomys agrarius6
"Perognathoides sp." = Cupidinimus5 Wood 1935 rodent
"probably" the Norden Bridge species
Cupidinimus nebraskensis5 Wood 1935 rodent
see also Barnosky 1986a
Mookomys altifluminis1 Wood 1931 rodent
"Mioheteromys agrarius" = Diprionomys agrarius6 Wood 1935 rodent
 Rodentia - Castoridae
Monosaulax sp. Stirton 1935 beaver
said to include both "Monosaulax pansus" and "M. curtis" (sic) by Stirton 1935
 Rodentia - Mylagaulidae
Mylagaulidae indet.1 Cope 1881 rodent
 Rodentia - Zapodidae
Schaubeumys cartomylos1 Korth 1987 jumping mouse
 Glires -
Lagomorpha indet. Brandt 1885 placental
 Lipotyphla - Erinaceidae
Metechinus amplior10 Rich 1981 hedgehog
 Lipotyphla - Talpidae
Domninoides valentinensis n. sp.9 Reed 1962 mole
 Perissodactyla - Rhinocerotidae
Teleoceras major8 Hatcher 1894 rhinoceros
"Niobrara River"
 Perissodactyla - Equidae
Equinae indet.1, "Neohipparion niobrarense n. sp." = Pseudhipparion gratum4, Hypohippus sp.
Equinae indet.1 Steinmann and Döderlein 1890 horse
"Neohipparion niobrarense n. sp." = Pseudhipparion gratum4 Leidy 1869 hipparionine horse
AMNH 10828 "from the vicinity of Fort Niobrara, Nebraska"
Hypohippus sp. Leidy 1858 anchitheriine horse
 Tribosphenida - Soricidae
Limnoecus niobrarensis n. sp.7 Macdonald 1947 shrew
 Carnivora - Procyonidae
"Probassariscus antiquus" = Bassariscus antiquus1
"Probassariscus antiquus" = Bassariscus antiquus1 Matthew and Cook 1909 ringtail
 Carnivora - Mustelidae
Mustelidae indet. Fischer 1817 mustelid carnivore
 Carnivora - Canidae
Leptocyon vafer1 Leidy 1858 canine
Tomarctus hippophaga11 Matthew and Cook 1909 bone-crushing dog
 Carnivora - Felidae
Pseudaelurus sp. Leidy 1858 cat
 Proboscidea - Proboscidea
Proboscidea indet. proboscidean
 Artiodactyla - Tayassuidae
Prosthennops xiphodonticus14 Barbour 1925 peccary
 Artiodactyla - Camelidae
Camelidae indet. Gray 1821 camel
 Artiodactyla - Antilocapridae
Merycodontinae indet.1 Matthew 1904 pronghorn
 Artiodactyla - Moschidae
Blastomerycinae indet.1 Frick 1937 musk deer