Kat Quarry (Miocene of the United States)

Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.3° N, 98.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Merritt Dam Member (Ash Hollow Formation), Clarendonian (13.6 - 10.3 Ma)

Environment/lithology: terrestrial

Primary reference: M. F. Skinner and F. W. Johnson. 1984. Tertiary stratigraphy and the Frick Collection of fossil vertebrates from north-central Nebraska. Bulletin of the American Museum of Natural History 178(3):1-368 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 18218: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Kat Quarry Channel" specimens are from the general collecting area, exact quarry not recorded: Frick 1937 p. 85; however, all "Kat Quarry Channel" specimens from 1931 must come from this quarry based on dates of discovery of other quarries in the channel system
number of specimens not clear: see Skinner and Johnson 1984
Mammalia
 Rodentia - Castoridae
Prodipoides katensis8 Korth 2002 beaver
 Perissodactyla - Rhinocerotidae
Teleoceras major9 Hatcher 1894 rhinoceros
Aphelops megalodus9 Cope 1873 rhinoceros
 Perissodactyla - Equidae
Cormohipparion occidentale14 Leidy 1856 hipparionine horse
Pseudhipparion skinneri5 Webb and Hulbert 1986 hipparionine horse
pers. commun.
Calippus cerasinus4 Hulbert 1988 horse
Hypohippus sp.7 Leidy 1858 anchitheriine horse
 Carnivora - Barbourofelidae
Barbourofelis sp. Schultz et al. 1970 carnivoran
 Carnivora - Amphicyonidae
Pseudocyon sp.6 Lartet 1851 bear-dog
"Kat Quarry horizon"
 Carnivora - Canidae
Leptocyon matthewi11 Tedford et al. 2009 canine
Cynarctus crucidens12 Barbour and Cook 1914 bone-crushing dog
Aelurodon taxoides12 Hatcher 1894 bone-crushing dog
also Kat Quarry Channel
Epicyon haydeni2 Leidy 1858 bone-crushing dog
confirmed by Wang et al. 1999
 Ungulata - Merycoidodontidae
"Merychyus major" = Ustatochoerus major1
"Merychyus major" = Ustatochoerus major1 Leidy 1858 oreodont
 Ungulata - Tayassuidae
Skinnerhyus shermerorum10 Prothero and Pollen 2013 peccary
new species "A"
 Ungulata - Camelidae
Pleiolama mckennai n. sp.13 Webb and Meachen 2004 camel
 Ungulata - Gelocidae
Pseudoceras skinneri3 Frick 1937 ruminant
Kat Quarry sensu stricto
 Ungulata - Palaeomerycidae
Cranioceras unicornis1 Matthew 1918 ruminant
 Ungulata - Antilocapridae
Plioceros floblairi3 Frick 1937 pronghorn
"Kat Quarry channel, 1931"; postcrania