Long Island Quarry (Neogene of the United States)

Also known as Overton Farm

Where: Phillips County, Kansas (39.8° N, 99.4° W: paleocoordinates 40.1° N, 97.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: R. J. Zakrzewski. 1988. Preliminary report on fossil mammals from the Ogallala (Miocene) of north-central Kansas. Fort Hays Studies, Science, third series 10:117-127 [J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18237: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• possibly relevant: Cosoryx furcatus Frick 1937: dentition; "Republican River Beds, Phillips County" in Kansas
equids: Hulbert 1989 pers. commun.
Reptilia
 Squamata - Colubridae
"Palaeoelaphe kansensis n. gen. n. sp." = Elaphe kansensis3
"Palaeoelaphe kansensis n. gen. n. sp." = Elaphe kansensis3 Gilmore 1938 colubrid snake
USNM 13500 (holotype), disarticulated vertebrae (may not be single individual)
Mammalia
 Rodentia - Mylagaulidae
Ceratogaulus hatcheri1 Gidley 1907 rodent
 Perissodactyla - Rhinocerotidae
Teleoceras fossiger n. sp.4 Cope 1878 rhinoceros
Aphelops malacorhinus7 Cope 1878 rhinoceros
pers. comm.
 Perissodactyla - Equidae
Hippotherium sp.1 Kaup 1832 hipparionine horse
Hipparion cf. tehonense5 Merriam 1916 hipparionine horse
pers. commun.
Pliohippus nobilis n. sp.6 Osborn 1918 horse
see Skinner et al. 1968
Protohippus gidleyi5 Hulbert 1988 horse
pers. commun.
 Carnivora - Mustelidae
Leptarctus woodburnei2 Bever and Zakrzewski 2009 mustelid carnivore
compared to Leptarctus
 Proboscidea - Gomphotheriidae
Gomphotherium sp.1 Burmeister 1837 gomphothere
 Artiodactyla - Camelidae
"Hemiauchenia vera n. sp." = Pleiolama vera8
"Hemiauchenia vera n. sp." = Pleiolama vera8 Matthew 1909 camel
see also Hibbard 1963c