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 (13.6 - 10.3 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
Mammalia
 Lagomorpha - Leporidae
Hypolagus fontinalis Dawson 1958 rabbit
 Perissodactyla - Equidae
"Merychippus" coloradense4 Osborn 1918 horse
Pseudhipparion retrusum5 Cope 1889 hipparionine horse
Supplemental Table S1
Pliohippus pernix5 Marsh 1874 horse
Supplemental Table S1
Calippus regulus3 Johnston 1937 horse
pers. commun.
Hypohippus sp.5 Leidy 1858 anchitheriine horse
Supplemental Table S1
 Proboscidea - Gomphotheriidae
"Gomphotherium willistoni" = Tetrabelodon osborni1
"Gomphotherium willistoni" = Tetrabelodon osborni1 Barbour 1916 gomphothere
 Ungulata - Palaeomerycidae
Cranioceras unicornis1 Matthew 1918 ruminant
 Ungulata - Antilocapridae
Cosoryx furcatus2 Leidy 1869 pronghorn
dentitions; "Quinn Quarry"
 Ungulata - Moschidae
Longirostromeryx wellsi1 Matthew 1904 musk deer