Jack Swayze Quarry (Neogene of the United States)

Where: Clark County, Kansas (37.2° N, 99.9° W: paleocoordinates 37.5° N, 98.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Ogallala Formation, Hemphillian (10.3 - 4.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: S. E. Hirschfeld and S. D. Webb. 1968. Plio-Pleistocene Megalonychid Sloths of North America. Bulletin of the Florida State Museum 12(5) [J. Alroy/J. Alroy/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18415: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• equids: Hulbert 1989 pers. commun.
Mammalia
 Rodentia - Sciuridae
Spermophilus fricki1 Hibbard 1942 ground squirrel
 Rodentia - Mylagaulidae
Mylagaulidae indet.5 Cope 1881 rodent
 Perissodactyla - Rhinocerotidae
Teleoceras fossiger9 Cope 1878 rhinoceros
"fossiger", but comparison is to BSC form
Aphelops malacorhinus9 Cope 1878 rhinoceros
 Perissodactyla - Equidae
Hippotherium sp.1 Kaup 1832 hipparionine horse
Nannippus sp.7 Matthew 1926 hipparionine horse
pers. commun.
Neohipparion trampasense6 Edwards 1982 hipparionine horse
Dinohippus sp.7 Quinn 1955 horse
pers. commun.
Protohippus gidleyi7 Hulbert 1988 horse
pers. commun.
 Carnivora - Procyonidae
cf. Paranasua sp.3 Baskin 1982 procyonid carnivore
possibly the same as "Leptarctus" of Zakrzewski 1988
 Carnivora - Barbourofelidae
Barbourofelis sp.8 Schultz et al. 1970 carnivoran
 Carnivora - Canidae
Epicyon saevus4 Leidy 1858 bone-crushing dog
Epicyon haydeni1 Leidy 1858 bone-crushing dog
Borophagus pugnator1 Cook 1922 bone-crushing dog
 Carnivora - Felidae
Machairodus catocopis2 Cope 1887 cat
 Xenarthra - Megalonychidae
Megalonychidae indet. Gervais 1855 edentate
"Jim Swayze Quarry"
 Proboscidea - Gomphotheriidae
Gomphotheriidae indet.7 Hay 1922 gomphothere
pers. commun.; may equal Amebelodon sp. reported by Barbour & Hibbard 1941 from "8 miles northwest of Ashland, Clark county"