Also known as SBCM 1.74.11, 1.74.12
Where: San Bernardino County, California (34.8° N, 117.0° W: paleocoordinates 33.9° N, 111.4° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Barstow Formation, Hemingfordian (20.4 - 16.0 Ma)
Environment/lithology: fluvial; lithology not reported
Size class: macrofossils
Primary reference: R. E. Reynolds. 1991. Hemingfordian/Barstovian Land Mammal Age faunas in the central Mojave Desert, exclusive of the Barstow Fossil Beds. In M.O. Woodburne, R.E. Reynolds, and D.P. Whistler, (eds.), San Bernardino County Museum Association Quarterly 38(3):88-90 [J. Alroy/J. Alroy/J. Marcot]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 19139: authorized by John Alroy, entered by John Alroy on 26.03.1995
Creative Commons license: CC BY (attribution)
Taxonomic list
relationship to other Alvord sites not clear from text
"below the lowest dated basalt (16.47 +/- 0.5 Ma)"; this is in the same Clews Ridge section, see Woodburne 1991b
| Mammalia | |
|
Copemys sp. Wood 1936 mouse | |
"Proheteromys lophatus" = Mojavemys lophatus
"Proheteromys lophatus" = Mojavemys lophatus Lindsay 1972 pocket gopher | |
|
Cupidinimus boronensis Whistler 1984 rodent
Proheteromys sulculus Wilson 1960 rodent
"Heliscomys subtilis" = Mookomys subtilis Lindsay 1972 rodent | |