Arkalon (Pleistocene of the United States)

Where: Seward County, Kansas (37.1° N, 100.9° W: paleocoordinates 37.1° N, 100.7° W)

• coordinate based on political unit

When: "Crooked Creek" Formation, Irvingtonian (1.8 - 0.3 Ma)

Environment/lithology: terrestrial

Primary reference: C. W. Hibbard. 1953. The Insectivores of the Rexroad Fauna, Upper Pliocene of Kansas. Journal of Paleontology 27(1) [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 20148: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• stratigraphic level unclear in light of Zakrzewski 1975
specimen Mammuthus cf. imperator from channel cut into main fossiliferous level
 Rodentia - Castoridae
Castoroides sp. Foster 1838 giant beaver
 Perissodactyla - Equidae
Equus calobatus Troxell 1915 horse
Equus scotti Gidley 1900 horse
 Carnivora - Canidae
Canis edwardii2 Gazin 1942 canine
 Carnivora - Felidae
Felidae indet. Gray 1821 cat
 Proboscidea - Elephantidae
"Mammuthus imperator" = Mammuthus columbi1
"Mammuthus imperator" = Mammuthus columbi1 Falconer 1857 imperial mammoth
 Ungulata - Camelidae
Camelidae indet. Gray 1821 camel