Cajon Valley (UCR RV-6990) (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 3 Member (Punchbowl Formation), Hemingfordian to Hemingfordian (20.4 - 12.5 Ma)
Environment/lithology: terrestrial
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 19252: authorized by John Alroy, entered by John Alroy on 27.09.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• 400-425' level in unit
Show authors, comments, and common names
| Mammalia | |
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? Archaeohippus sp. Gidley 1906 anchitheriine horse
Parapliohippus cf. carrizoensis Dougherty 1940 horse | |
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? Rhinocerotidae indet. Gray 1821 rhinoceros | |