Kendall-Mallory (Miocene of the United States)

Also known as Bolinger Canyon Quarry; UCMP V-6107, 6318

Where: Contra Costa County, California (37.8° N, 122.0° W: paleocoordinates 37.1° N, 118.3° W)

• coordinate based on political unit

When: Clarendonian (13.6 - 10.3 Ma)

Environment/lithology: terrestrial; siliciclastic sediments

Size class: macrofossils

Primary reference: S. W. Edwards. 1976. A mandible of Beckia (Mammalia: Mustelidae) from Contra Costa County, California. PaleoBios 20:1-5 [J. Alroy/J. Alroy/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 19391: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• 3 mi W of Black Hawk Ranch, but relative stratigraphic position could not be determined, and locality is in an unknown lithological unit
original list pertains only to UCMP V-6107
1300' above the "Neroly" Fm. in the Contra Costa Group
Mammalia
 Rodentia - Sciuridae
? Protospermophilus sp. Gazin 1930 squirrel
 Perissodactyla - Equidae
Hipparion forcei4, "Hipparion trampasense n. sp." = Neohipparion trampasense2
Hipparion forcei4 Richey 1948 hipparionine horse
five specimens of "H. trampasense"
"Hipparion trampasense n. sp." = Neohipparion trampasense2 Edwards 1982 hipparionine horse
 Artiodactyla - Camelidae
Camelidae indet. Gray 1821 camel
 Artiodactyla - Merycoidodontidae
"Ustatochoerus profectus" = Ustatochoerus major
"Ustatochoerus profectus" = Ustatochoerus major Leidy 1858 oreodont
 Carnivora - Mustelidae
"Beckia grangerensis" = Hoplictis grangerensis
"Beckia grangerensis" = Hoplictis grangerensis Bryant 1968 ratel
 Carnivora - Canidae
"Aelurodon haydeni" = Epicyon haydeni Leidy 1858 bone-crushing dog
Epicyon saevus1 Leidy 1858 bone-crushing dog
Aelurodon taxoides5 Hatcher 1894 bone-crushing dog
UCMP V-6107
 Proboscidea - Gomphotheriidae
Gomphotheriidae indet. Hay 1922 gomphothere
Reptilia
 Squamata - Anguidae
Anniella sp.3 Gray 1852 legless lizard