Miller Basin (Brule Zone A) (Oligocene of the United States)

Where: Pennington County, South Dakota (43.9° N, 102.4° W: paleocoordinates 45.0° N, 94.2° W)

• coordinate based on political unit

When: Scenic Member (Brule Formation), Orellan (33.9 - 33.3 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial

Primary reference: X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17143: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

• several miles SE of Chamberlin Pass
Mammalia
 Artiodactyla - Merycoidodontidae
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii3, "Miniochoerus battlecreekensis" = Miniochoerus affinis2
"Merycoidodon culbertsoni" = Merycoidodon culbertsonii3 Leidy 1848 oreodont
"1-1 1/2 mi. E. and 4 mi. N. of Imlay"; "2 1/2 E. and 4 mi. N. of Imlay; "1/2 - 3/4 mi. S of Imlay"; "Cain Creek, 2 mi. N. of Imlay"; and "Miller Basin, Cain Creek area"; includes their "M. culbertsoni osborni" from "Miller Basin"; "basin E. of Miller Basin"; "1/2 - 2 1/2 mi. E. and 3 mi. N.," "3/4 - 1 mi. W.," "1 1/2 - 2 mi. E. and 1/2 - 3 mi. S." and "1 mi. E. of" Imlay; "Paramerycoidodon georgei" "Cain Creek"; "E. side of Miller Basin"; "basin E. of Miller Basin"; "1 mi. E. of Imlay"; "Otionohyus wardi" "2 mi. E. and 1/2 mi. S." and "3/4-1 mi. W." of Imlay; "Cain Creek"; "Genetochoerus periculorum" from "Imlay"; all Brule Zone A; also includes specimen of "Otionohyus bullatus" of Schultz and Falkenbach 1968 from "Imlay" Lower Oreodon beds
"Miniochoerus battlecreekensis" = Miniochoerus affinis2 Leidy 1869 oreodont
Brule Zone A in "Imlay area" Pennington Co.
 Carnivora - Amphicyonidae
Daphoenus sp.1 Leidy 1853 bear-dog
"Scenic Member... Cain Creek"
 Carnivora - Canidae
Hesperocyon gregarius Cope 1873 canid
base of Lower Oreodon beds