Cajon Valley (LACM L.400) (Miocene to of the United States)

Where: San Bernardino County, California (34.8° N, 117.0° W: paleocoordinates 34.0° N, 111.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Unit 5 Member (Punchbowl Formation), Hemingfordian to Hemingfordian (20.4 - 13.6 Ma)

Environment/lithology: terrestrial

Reposited in the LACM

Primary reference: M. O. Woodburne and D. J. Golz. 1972. Stratigraphy of the Punchbowl Formation, Cajon Valley, southern California. University of California Publications in Geological Sciences 92:1-72 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 19235: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

• see fig. 10 for stratigraphic position
Reptilia
 Testudines - Testudinidae
"Gopherus dehiscus n. sp." = Gopherus depressus
"Gopherus dehiscus n. sp." = Gopherus depressus Brattstrom 1961 gopher tortoise
LACM 400(26)/5178 (holotype), the internal cast of a shell (Des Lauriers 1965, fig. 1)
Mammalia
 Perissodactyla - Equidae
Archaeohippus mourningi, "Merychippus cf. intermontanus" = Scaphohippus intermontanus
Archaeohippus mourningi Merriam 1913 anchitheriine horse
"Merychippus cf. intermontanus" = Scaphohippus intermontanus Merriam 1915 horse
 Perissodactyla - Rhinocerotidae
Rhinocerotidae indet. Gray 1821 rhinoceros
 Artiodactyla - Camelidae
Aepycamelus cf. alexandrae Davidson 1923 camel
 Artiodactyla - Tayassuidae
Tayassuidae indet. Palmer 1897 peccary
"Dyseohyus or Cynorca"
 Artiodactyla - Moschidae
Blastomerycinae indet. Frick 1937 musk deer
 Artiodactyla - Leptomerycidae