South Tejon Hills (Miocene of the United States)

Also known as CIT 303, 304, 307

Where: Kern County, California (35.1° N, 118.8° W: paleocoordinates 35.0° N, 114.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: "Santa Margarita" Formation, Clarendonian (13.6 - 10.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: D. E. Savage. 1955. Nonmarine Lower Pliocene Sediments in California. A Geochronologic-Stratigraphic Classification. University of California Publications in Geological Sciences 31(1):1-26 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 19553: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• presumably includes "Tejon Hills" collection of Merriam 1915a
Wilson and Prothero 1997 apparently lump this under "North Tejon Hills," based on their claim that Osteoborus diabloensis (Savage's O. cf. littoralis) is present, and on their failure to mention any of these localities
Mammalia
 Placentalia -
Rodentia indet. Bowdich 1821 rodent
 Lagomorpha - Leporidae
? Hypolagus sp. Dice 1917 rabbit
probably the specimen of H. cf. fontinalis from "Santa Margarita, San Luis Obispo" mentioned by White 1988
 Perissodactyla - Equidae
Hypohippus sp., "Nannippus tehonensis" = Hipparion tehonense, Pliohippus tehonensis n. sp.
Hypohippus sp. Leidy 1858 anchitheriine horse
"Nannippus tehonensis" = Hipparion tehonense Merriam 1916 hipparionine horse
Pliohippus tehonensis n. sp. Merriam 1915 horse
of Merriam 1915d from UCMP 2751 "Tejon Hills" is probably from this level see Drescher 1941
 Artiodactyla - Tayassuidae
Tayassuinae indet.1 Palmer 1897 peccary
 Artiodactyla - Camelidae
Camelidae indet. Gray 1821 camel
small and large: a camelid is present at UCMP 2751, see Merriam 1916c
 Artiodactyla - Palaeomerycidae
"Cranioceras cf. clarendonensis" = Cranioceras teres3
"Cranioceras cf. clarendonensis" = Cranioceras teres3 Cope 1874 ruminant
 Artiodactyla - Antilocapridae
"Cosoryx cf. cerroensis" = Cosoryx (Subcosoryx) cerroensis1
"Cosoryx cf. cerroensis" = Cosoryx (Subcosoryx) cerroensis1 Frick 1937 pronghorn
 Carnivora - Procyonidae
Procyonidae indet.1 Gray 1825 procyonid carnivore
 Carnivora - Canidae
Caninae indet.1 Gill 1872 canine
Leptocyon tejonensis n. sp.4 Tedford et al. 2009 canine
CIT 303
Borophagus cf. littoralis1 VanderHoof 1931 bone-crushing dog
 Proboscidea - Gomphotheriidae
Gomphotheriidae indet. Hay 1922 gomphothere
Reptilia
 Testudines - Testudinidae
"Gopherus mohavense" = Gopherus mohavensis2
"Gopherus mohavense" = Gopherus mohavensis2 Merriam 1919 gopher tortoise