Verdigre Quarry (Miocene of the United States)

Also known as Crocodilian Locality C

Where: Knox County, Nebraska (42.6° N, 98.0° W: paleocoordinates 43.1° N, 94.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Devil's Gulch Member (Valentine Formation), Barstovian (16.3 - 12.5 Ma)

• assignment to the Devil's Gulch Member is based on Voorhies 1971

• group of beds-level stratigraphic resolution

Environment/lithology: crevasse splay; conglomeratic sandstone

• "a depression on a broad floodplain adjacent to a large river which flooded to form the bonebed" (Voorhies 1971)
• "a local lens of conglomeratic sand" (Voorhies 1971)

Size classes: macrofossils, mesofossils

Collected by M. Voorhies; reposited in the UNSM

Collection methods: surface (in situ),

Primary reference: M. R. Voorhies. 1969. Taphonomy and population dynamics of an Early Pliocene vertebrate fauna, Know County, Nebraska. University of Wyoming Contributions to Geology Special Paper 1:1-69 [A. Behrensmeyer/A. Behrensmeyer/M. Uhen]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 18443: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Chondrichthyes
 Euselachii -
Batoidea indet.9
Batoidea indet.9 ray
"ray"
 Selachii -
Selachii indet.9
Selachii indet.9 shark
"shark"
Actinopteri
 Amiiformes - Amiidae
Amia sp.9
Amia sp.9 Linnaeus 1766 bowfin
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.9
Lepisosteidae indet.9 Cuvier 1825 gar
"gar"
 Acanthomorphata - Sciaenidae
Sciaenidae indet.9
Sciaenidae indet.9 Cuvier 1828
"drum"
 Teleostei -
Siluriformes indet.9
Siluriformes indet.9 catfish
"catfish"
Reptilia
 Loricata -
Crocodylia indet.9
Crocodylia indet.9 crocodilian
"crocodilian teeth"
 Testudines - Trionychidae
Trionychidae indet.2
Trionychidae indet.2 Gray 1825 softshell turtle
Mammalia
 Artiodactyla - Camelidae
Camelidae indet., Procamelus cf. grandis
Camelidae indet. Gray 1821 camel
"? Pliauchenia" and "? Megatylopus"
Procamelus cf. grandis Gregory 1939 camel
 Artiodactyla - Merycoidodontidae
Ustatochoerus medius
Ustatochoerus medius Leidy 1858 oreodont
 Artiodactyla - Tayassuidae
"Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus10
"Prosthennops xiphodonticus" = Stirtonhyus xiphodonticus10 Barbour 1925 peccary
 Artiodactyla - Antilocapridae
"Merycodus furcatus" = Cosoryx furcatus
"Merycodus furcatus" = Cosoryx furcatus Leidy 1869 pronghorn
 Artiodactyla - Palaeomerycidae
"Cranioceras skinneri" = Procranioceras skinneri
"Cranioceras skinneri" = Procranioceras skinneri Frick 1937 ruminant
 Artiodactyla - Moschidae
Blastomerycinae indet.1
Blastomerycinae indet.1 Frick 1937 musk deer
 Perissodactyla - Equidae
Megahippus sp., Hypohippus affinis, Calippus (Grammohippus) sp., Calippus cf. placidus, Pseudhipparion cf. retrusum, Hippotherium sp.6
Megahippus sp. McGrew 1938 anchitheriine horse
Hypohippus affinis Leidy 1858 anchitheriine horse
Calippus (Grammohippus) sp. Hulbert 1988 horse
new species of Hulbert
Calippus cf. placidus Leidy 1869 horse
Pseudhipparion cf. retrusum Cope 1889 hipparionine horse
Hippotherium sp.6 Kaup 1832 hipparionine horse
 Perissodactyla - Rhinocerotidae
cf. Teleoceras sp.
cf. Teleoceras sp. Hatcher 1894 rhinoceros
 Carnivora - Amphicyonidae
Ischyrocyon sp.4
Ischyrocyon sp.4 Matthew and Gidley 1904 bear-dog
 Carnivora - Ursidae
Plithocyon sp.3
Plithocyon sp.3 Ginsburg 1955 bear
 Carnivora - Mustelidae
Mustelidae indet., Mustelidae indet.1, Leptarctus sp.
Mustelidae indet. Fischer 1817 mustelid carnivore
Mustelidae indet.1 Fischer 1817 mustelid carnivore
Leptarctus sp. Leidy 1856 mustelid carnivore
 Carnivora - Procyonidae
Procyonidae indet.1
Procyonidae indet.1 Gray 1825 procyonid carnivore
 Carnivora - Canidae
Leptocyon vafer8, Borophaginae indet.1, Aelurodon cf. ferox1, Cynarctus sp.
Leptocyon vafer8 Leidy 1858 canine
Borophaginae indet.1 Simpson 1945 bone-crushing dog
Aelurodon cf. ferox1 Leidy 1858 bone-crushing dog
Cynarctus sp. Matthew 1902 bone-crushing dog
 Carnivora - Felidae
Pseudaelurus sp.
Pseudaelurus sp. Leidy 1858 cat
 Theriamorpha - Talpidae
Talpidae indet.
Talpidae indet. Fischer de Waldheim 1817 mole
 Theriamorpha - Plesiosoricidae
Plesiosorex sp.1
Plesiosorex sp.1 Pomel 1848 placental
 Theriamorpha - Soricidae
? Limnoecus sp.
? Limnoecus sp. Stirton 1930 shrew
 Theriamorpha - Erinaceidae
Metechinus sp.7
Metechinus sp.7 Matthew 1929 hedgehog
 Lagomorpha - Leporidae
Hypolagus cf. fontinalis
Hypolagus cf. fontinalis Dawson 1958 rabbit
 Rodentia - Heteromyidae
Heteromyidae indet.
Heteromyidae indet. Gray 1868 rodent
 Rodentia - Geomyidae
Geomyidae indet.
Geomyidae indet. Bonaparte 1845 pocket gopher
 Rodentia - Castoridae
Eucastor tortus5, Prodipoides burgensis5
Eucastor tortus5 Leidy 1858 beaver
Prodipoides burgensis5 Korth 2002 beaver
 Rodentia - Cricetidae
Peromyscus sp.
Peromyscus sp. Gloger 1841 deer mouse
 Rodentia - Zapodidae
Megasminthus tiheni
Megasminthus tiheni Klingener 1966 jumping mouse
 Rodentia - Sciuridae
Sciuridae indet.
Sciuridae indet. Gray 1821 squirrel
 Rodentia - Mylagaulidae
Mylagaulidae indet.1
Mylagaulidae indet.1 Cope 1881 rodent
 Proboscidea - Gomphotheriidae
Gomphotherium sp.
Gomphotherium sp. Burmeister 1837 gomphothere
1Alroy 2002; 2Alroy 2007; 3Hunt 1998; 4Hunt 1998; 5Korth 2008; 6MacFadden 1984; 7Rich 1981; 8Tedford et al. 2009; 9Voorhies 1971; 10Wright 1983