PBDB Collection

Boulder Quarry (Miocene of the United States)

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.0° N, 100.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Olcott Formation, Early/Lower Barstovian (16.3 - 12.5 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17880: authorized by John Alroy, entered by John Alroy on 19.05.2000, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• subcycle unknown: Skinner et al. 1977

Show authors, comments, and common names

Aves
Falconiformes - Falconidae	Pediohierax ramenta¹ Pediohierax ramenta¹ Wetmore 1936 raptor
Mammalia
Perissodactyla - Rhinocerotidae	Teleoceras medicornutum⁵, Aphelops megalodus⁵ Teleoceras medicornutum⁵ Osborn 1904 rhinoceros Aphelops megalodus⁵ Cope 1873 rhinoceros
Perissodactyla - Equidae	Merychippus coloradense², Neohipparion sp.⁴, Scaphohippus intermontanus⁴, Hypohippus sp.⁴ Merychippus coloradense² Osborn 1918 horse F:AM 69511 Neohipparion sp.⁴ Gidley 1903 hipparionine horse Supplemental Table S1 Scaphohippus intermontanus⁴ Merriam 1915 horse Supplemental Table S1 Hypohippus sp.⁴ Leidy 1858 anchitheriine horse Supplemental Table S1
Carnivora - Canidae	Cynarctoides acridens, Tomarctus hippophaga, Tomarctus brevirostris, Paracynarctus sinclairi Cynarctoides acridens Barbour and Cook 1914 bone-crushing dog Tomarctus hippophaga Matthew and Cook 1909 bone-crushing dog Tomarctus brevirostris Cope 1873 bone-crushing dog Paracynarctus sinclairi Wang et al. 1999 bone-crushing dog
Carnivora - Amphicyonidae	Pliocyon sp.³, Amphicyon ingens⁶ Pliocyon sp.³ Matthew 1918 bear-dog Amphicyon ingens⁶ Matthew 1924 bear-dog

¹Becker 1987; ²Evander 2008; ³Hunt 1998; ⁴Mihlbachler et al. 2011; ⁵Prothero 2005; ⁶Schiebout 1997