Bone Basin Member (MV 6205) (Eocene of the United States)

Where: Madison County, Montana (45.2° N, 112.0° W: paleocoordinates 47.0° N, 103.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

Environment/lithology: terrestrial

Primary reference: W. D. Kuenzi and R. W. Fields. 1971. Tertiary Stratigraphy, Structure, and Geologic History, Jefferson Basin, Montana. Geological Society America Bulletin 82(12):3373-3394 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 16915: authorized by John Alroy, entered by John Alroy on 26.07.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• stratigraphic relationship to Dunbar Creek Mbr. not known
Show authors, comments, and common names
Mammalia
 Carnivora - Amphicyonidae
cf. Brachyrhynchocyon sp.
cf. Brachyrhynchocyon sp. Scott and Jepsen 1936 bear-dog
 Artiodactyla - Anthracotheriidae
? Anthracotheriidae indet.
? Anthracotheriidae indet. Leidy 1869 anthracothere
 Artiodactyla - Merycoidodontidae
Merycoidodon sp.
Merycoidodon sp. Leidy 1848 oreodont
 Perissodactyla - Rhinocerotidae
Rhinocerotidae indet.
Rhinocerotidae indet. Gray 1821 rhinoceros
"? Caenopus or Trigonias sp."
 Perissodactyla - Equidae
Mesohippus bairdi
Mesohippus bairdi Leidy 1850 anchitheriine horse
 Perissodactyla - Brontotheriidae
? Brontotheriidae indet.
? Brontotheriidae indet. Marsh 1873 brontothere