Where: Goshen County, Wyoming (42.0° N, 104.2° W: paleocoordinates 43.4° N, 95.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Chadron Formation, Chadronian (37.2 - 33.9 Ma)

• single specimen from a single bed

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; green, red claystone

Size class: macrofossils

Primary reference: E. M. Schlaikjer. 1933. A detailed study of the structure and relationships of a new zalambdodont insectivore from the Middle Oligocene. Bulletin of the Museum of Comparative Zoology 76(1):1-28 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 16892: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)