Rapamys Site, Black Butte I (Eocene to of the United States)

Also known as RAM V2016012

Where: Montana (44.9° N, 111.8° W: paleocoordinates 47.6° N, 100.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Late/Upper Uintan to Late/Upper Uintan (46.2 - 37.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: fluvial; siltstone

Size classes: macrofossils, mesofossils

Primary reference: D. Lofgren, D. Hanneman, J. Bibbens, L. Gerken, F. Hu, A. Runkel, I. Kong, A. Tarakji, A. Helgeson, I. Gerard, R. Li, S. Li, and Z. Ji. 2020. Eocene and Oligocene mammals from the Gravelly Range of Southwest Montana. Paludicola 12(4):263-297 [B. Allen/B. Allen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 230859: authorized by Bethany Allen, entered by Bethany Allen on 24.07.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Artiodactyla - Agriochoeridae
Diplobunops matthewi Peterson 1919 agriochoerid
 Carnivora -
Lycophocyon tabrumi n. sp. Lofgren et al. 2020 carnivoran
RAM 18619 (holotype), partial skull
 Rodentia - Cylindrodontidae
Pareumys muffleri n. sp. Lofgren et al. 2020 rodent
AMNH 145526 (holotype), left dentary fragment with p4-m3
 Rodentia - Ischyromyidae
Rapamys atramontis n. sp. Wahlert et al. 2006 rodent
AMNH 128706 (holotype), skull and mandibles with cheek teeth