Where: Clark County, Kansas (37.2° N, 99.9° W: paleocoordinates 37.5° N, 98.2° W)
• coordinate based on political unit
When: Ogallala Group, Hemphillian (10.3 - 4.9 Ma)
• said to be early Hemphillian
Environment/lithology: fluvial; silty sandstone
Collection methods: specimens reposited in the Sternberg Museum of Natural History
Primary reference: G. A. Liggett. 1997. The Beckerdite local biota (early Hemphillian) and the first Tertiary occurrence of a crocodilian from Kansas. Transactions of the Kansas Academy of Sciences 100(3-4):101-108 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 18046: authorized by John Alroy, entered by John Alroy on 30.04.1994
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
| |
Angiospermae | |
Berriochloa minuta grass
Berriochloa amphoralis grass | |
Biorbia fossilia borage | |
Celtis sp. Linnaeus 1753 hackberry | |
Chara cf. globularis stonewort | |
Amphibia | |
Urodela indet. salamander | |
Anura indet. frog | |
Reptilia | |
Lacertilia indet. lizard | |
Crocodylia indet. crocodilian VP-3191, VP-4721, VP-6586, and VP-6781 (teeth); VP-5790 and VP-12693 (scutes)
| |
Geochelone sp. Fitzinger 1835 turtle | |
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle | |
Mammalia | |
Gomphotheriidae indet. Hay 1922 gomphothere | |
Rodentia indet. Bowdich 1821 rodent | |
Nimravides thinobates Macdonald 1948 cat | |
Epicyon sp. Leidy 1858 bone-crushing dog
Borophagus sp. Cope 1892 bone-crushing dog | |
? Antilocapridae indet. Gray 1866 pronghorn | |
Megatylopus sp. Matthew and Cook 1909 camel
Procamelus sp. Leidy 1858 camel | |
Pseudhipparion sp. Ameghino 1904 hipparionine horse | |
Teleoceras sp. Hatcher 1894 rhinoceros
Aphelops sp. Owen 1845 rhinoceros | |
Gastropoda | |
cf. Hawaiia minuscula true glass snail | |
Ostracoda | |
Candona cf. lactea ostracod |