Hidden Hollow Quarry (Miocene of the United States)

Also known as Hidden Quarry

Where: San Bernardino County, California (34.8° N, 117.0° W: paleocoordinates 34.1° N, 112.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Upper Member (Barstow Formation), Barstovian (16.3 - 12.5 Ma)

Environment/lithology: terrestrial

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

PaleoDB collection 19366: authorized by John Alroy, entered by John Alroy on 19.05.2000, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• said to be in the Barstow fauna sensu Woodburne et al. 1990 by Wang et al. 1999
Mammalia
 Perissodactyla - Equidae
Scaphohippus intermontanus3 Merriam 1915 horse
Scaphohippus sumani3 Merriam 1915 horse
 Perissodactyla - Rhinocerotidae
Aphelops megalodus4 Cope 1873 rhinoceros
 Artiodactyla - Antilocapridae
Merycodus joraki1 Frick 1937 pronghorn
 Carnivora - Amphicyonidae
Ischyrocyon sp.2 Matthew and Gidley 1904 bear-dog
 Carnivora - Canidae
Leptocyon leidyi5 Tedford et al. 2009 canine
Microtomarctus conferta Matthew 1918 bone-crushing dog
Paratomarctus temerarius Leidy 1858 bone-crushing dog
Aelurodon asthenostylus Wang et al. 1999 bone-crushing dog