Cottonwood Creek Quarry (Miocene of the United States)

Where: Dawes County, Nebraska (42.8° N, 103.1° W: paleocoordinates 43.5° N, 99.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Runningwater Formation, Early/Lower Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

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 17891: authorized by John Alroy, entered by John Alroy on 19.05.2000, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• about 10 mi NW of the UNSM Cottonwood Creek localities
SW 1/4 s25 T30N R50W
also possibly relevant: Mesogaulus paniensis Korth 2000d: F:AM specimen from "Runningwater Formation, Cottonwood Creek, Dawes County" Amphicyon sp. Hunt 1998b: "Runningwater Formation, Cottonwood Quarry"
unclassified
  -
Bassariscinae indet.1
"Bassariscus-like"
Mammalia
 Perissodactyla - Rhinocerotidae
Menoceras barbouri3 Wood 1964 rhinoceros
 Artiodactyla - Tayassuidae
Wrightohyus yatkolai5 Prothero 2015 peccary
F:AM 143844
 Artiodactyla - Moschidae
Machaeromeryx tragulus4 Matthew 1926 musk deer
 Carnivora - Amphicyonidae
Amphicyon galushai2 Hunt 2003 bear-dog
 Carnivora - Canidae
Leptocyon vulpinus6 Matthew 1907 canine
Ectopocynus simplicidens Wang 1994 canid
Cynarctoides acridens7 Barbour and Cook 1914 bone-crushing dog
Phlaocyon leucosteus7 Matthew 1899 bone-crushing dog
Desmocyon matthewi7 Wang et al. 1999 bone-crushing dog
quarry proper, plus type from "Marshall Ranch, Cottonwood Creek"