Where: Contra Costa County, California (37.8° N, 122.0° W: paleocoordinates 37.6° N, 121.0° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Tassajara Formation, Blancan (4.9 - 1.8 Ma)
• Reported as Blancan 1 in Hutchison 1987
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Reposited in the UCMP
Primary reference: J. H. Hutchison. 1987. Moles of the Scapanus latimanus group (Talpidae, Insectivora) from the Pliocene and Pleistocene of California. Contributions in Science, Natural History Museum of Los Angeles County 386:1-15 [J. Alroy/J. Alroy/W. Gearty]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 19713: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
overlies Hemme Hills: Tedford et al. 1987
said to be earliest Blancan
Mammalia | |
Postcopemys maxumensis n. sp.2, Postcopemys repenningi2, Repomys maxumi n. sp.3, Ogmodontomys sawrockensis1
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