Also known as SDSM V-673

Where: Bennett County, South Dakota (43.2° N, 101.8° W: paleocoordinates 43.9° N, 97.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Rosebud Formation, Hemingfordian (20.4 - 16.0 Ma)

• channel deposit "is approximately 60 cm thick and about seven meters wide"

• group of beds-level stratigraphic resolution

Environment/lithology: coarse channel fill; concretionary conglomerate

Size class: mesofossils

Collected by SDSM in 1967 - 1968; reposited in the SDSM

Collection methods: bulk, sieve,

• NISP 779

•"approximately" one ton of matrix

Primary reference: M. Green and J. E. Martin. 1976. Peratherium (Marsupialia: Didelphidae) from the Oligocene and Miocene of South Dakota. In C. S. Churcher (ed.), Athlon, Essays on Palaeontology in Honour of Loris Shano Russell: Life Sciences Miscellaneous Publications of the Royal Ontario Museum 155-168 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17878: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jason Head

Creative Commons license: CC BY (attribution)