Where: Goshen County, Wyoming (42.0° N, 104.2° W: paleocoordinates 42.9° N, 98.4° W)
• coordinate based on political unit
When: Lower Member (Harrison Formation), Arikareean (29.5 - 18.5 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: E. M. Schlaikjer. 1935. Contributions to the Stratigraphy and Palaeontology of the Goshen Hole Area, Wyoming. III. A New Basal Oligocene Formation. Bulletin of the Museum of Comparative Zoology 76(3):71-93 [J. Alroy/J. Alroy/J. Marcot]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 17511: authorized by John Alroy, entered by John Alroy on 30.04.1994
Creative Commons license: CC BY (attribution)
Taxonomic list
"100 feet above the Brule-lower Harrison contact"
| Mammalia | |
"Mesoreodon megalodon" = Desmatochoerus megalodon, Sespia nitida
"Mesoreodon megalodon" = Desmatochoerus megalodon Peterson 1907 oreodont at "same level and a few feet away from the type of Hypohippus avus": Schlakjer 1934; also present at "200 foot level" of Fox Creek Gap, exact locality not given
Sespia nitida Leidy 1869 oreodont specimen referred to "Cyclopidius heterodon" without mention of provenance by Schlaikjer
| |
"Hypohippus avus n. sp." = Kalobatippus avus
"Hypohippus avus n. sp." = Kalobatippus avus Schlaikjer 1935 anchitheriine horse | |