Quinn Mastodon Quarry (Miocene of the United States)

Also known as UNSM Bw-102; Quinn Canyon; Quinn Quarry; Ainsworth Quarry

Where: Brown County, Nebraska (42.7° N, 100.0° W: paleocoordinates 43.1° N, 97.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Burge Member (Valentine Formation), Clarendonian (12.5 - 9.4 Ma)

Environment/lithology: terrestrial

Primary reference: J. A. White. 1988. The Archaeolaginae (Mammalia, Lagomorpha) of North America, Excluding Archaeolagus and Panolax. Journal of Vertebrate Paleontology 7(4):425-450 [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 18334: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• "at least 50" F:AM specimens, plus Field Museum material: Skinner and Johnson 1984
Show authors, comments, and common names
Mammalia
 Proboscidea - Gomphotheriidae
"Gomphotherium willistoni" = Trilophodon osborni1
"Gomphotherium willistoni" = Trilophodon osborni1 Barbour 1916 gomphothere
 Lagomorpha - Leporidae
Hypolagus fontinalis
Hypolagus fontinalis Dawson 1958 rabbit
 Artiodactyla - Moschidae
Longirostromeryx wellsi1
Longirostromeryx wellsi1 Matthew 1904 musk deer
 Artiodactyla - Antilocapridae
Cosoryx furcatus2
Cosoryx furcatus2 Leidy 1869 pronghorn
dentitions; "Quinn Quarry"
 Artiodactyla - Palaeomerycidae
Cranioceras unicornis1
Cranioceras unicornis1 Matthew 1918 ruminant
 Perissodactyla - Equidae
Hypohippus sp.5, "Merychippus" coloradense4, Calippus regulus3, Pliohippus pernix5, Pseudhipparion retrusum5
Hypohippus sp.5 Leidy 1858 anchitheriine horse
Supplemental Table S1
"Merychippus" coloradense4 Osborn 1918 horse
Calippus regulus3 Johnston 1937 horse
pers. commun.
Pliohippus pernix5 Marsh 1874 horse
Supplemental Table S1
Pseudhipparion retrusum5 Cope 1889 hipparionine horse
Supplemental Table S1
1Alroy 2002; 2Frick 1937; 3Hulbert 1989; 4MacFadden 1984; 5Mihlbachler et al. 2011