Kuchta Sand Pit ( of the United States)

Where: Yankton County, South Dakota (43.0° N, 97.4° W: paleocoordinates 43.1° N, 96.7° W)

• coordinate based on political unit

When: Bon Homme Gravel Formation, Blancan to Blancan (4.9 - 0.3 Ma)

• said to be Irvingtonian

Environment/lithology: terrestrial

Primary reference: J. D. Pinsof. 1985. Dakoterra 2(2) [J. Alroy/J. Alroy]more details

PaleoDB collection 20020: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• said to be Irvingtonian by Pinsof 1985, but late Blancan by Johnson and Milburn 1984; Heaton and McDonald 1993 equivocate
Mammalia
 Megatherioidea - Megalonychidae
Megalonyx leptostomus Cope 1893 edentate
 Rodentia - Castoridae
Castor sp. Linnaeus 1758 beaver
 Carnivora - Canidae
Canidae indet. Fischer de Waldheim 1817 canid
 Perissodactyla - Equidae
Equus cf. giganteus Gidley 1901 horse
 Artiodactyla - Cervidae
Cervidae indet. Gray 1821 deer
 Artiodactyla - Camelidae
Titanotylopus sp. Barbour and Schultz 1934 camel
OK as Gigantocamelus is also listed
Gigantocamelus spatulus Cope 1893 camel
Camelops sp. Leidy 1854 camel
Hemiauchenia sp. Gervais and Ameghino 1880 camel
 Proboscidea - Gomphotheriidae
Stegomastodon mirificus Leidy 1858 gomphothere