Nenzel Quarry (Miocene of the United States)

Also known as UCMP V-4138

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

• coordinate based on political unit

• small collection-level geographic resolution

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

Environment/lithology: terrestrial

Reposited in the UCMP

Primary reference: W. W. Korth. 1997. A new subfamily of primitive pocket mice (Rodentia, Heteromyidae) from the middle Tertiary of North America. Paludicola 1(2):33-66 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 18281: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• 448 F:AM and 2 UCMP specimens: Skinner and Johnson 1984
Reptilia
 Testudines - Panemydidae
Glyptemys valentinensis2 Holman and Fritz 2001 turtle
Mammalia
 Rodentia - Heteromyidae
Mioheteromys amplissimus n. sp., "Balantiomys borealis" = Peridiomys borealis
Mioheteromys amplissimus n. sp. Korth 1997 rodent
"Balantiomys borealis" = Peridiomys borealis Storer 1970 rodent
 Rodentia - Castoridae
Monosaulax skinneri4 Stout 1999 beaver
Prodipoides dividerus4 Stirton 1935 beaver
 Perissodactyla - Rhinocerotidae
Teleoceras medicornutum5 Osborn 1904 rhinoceros
"Niobrara River, south of Nenzel"
Aphelops megalodus5 Cope 1873 rhinoceros
 Perissodactyla - Equidae
"Hippotherium quinni" = Cormohipparion quinni1, Pliohippus mirabilis3
"Hippotherium quinni" = Cormohipparion quinni1 Woodburne 1996 hipparionine horse
Pliohippus mirabilis3 Leidy 1858 horse
pers. commun.
 Carnivora - Canidae
Aelurodon ferox6 Leidy 1858 bone-crushing dog
said to be in the Devil's Gulch Member at "Nenzel Quarry"
Paratomarctus temerarius6 Leidy 1858 bone-crushing dog
Crookston Bridge Member
 Ungulata - Merycoidodontidae
"Merychyus medius" = Ustatochoerus medius1
"Merychyus medius" = Ustatochoerus medius1 Leidy 1858 oreodont
 Ungulata - Palaeomerycidae
Cranioceras unicornis1 Matthew 1918 ruminant
 Ungulata - Antilocapridae
Merycodus warreni1 Leidy 1858 pronghorn