Argonaut (Miocene of the United States)

Also known as SBCM 1.76.43

Where: San Bernardino County, California (34.8° N, 117.0° W: paleocoordinates 34.1° N, 112.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Barstow Formation, Barstovian (16.3 - 12.5 Ma)

Environment/lithology: terrestrial

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

PaleoDB collection 19141: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• Yermo fauna is at about the same level in the same section but is not from the same locality
Mammalia
 Rodentia - Sciuridae
Miospermophilus sp. Black 1963 squirrel
 Rodentia -
Geomyoidea indet. Bonaparte 1845 rodent
 Rodentia - Geomyidae
"Proheteromys lophatus" = Mojavemys lophatus
"Proheteromys lophatus" = Mojavemys lophatus Lindsay 1972 pocket gopher
 Rodentia - Heteromyidae
Perognathus furlongi Gazin 1930 pocket mouse
Perognathus minutus James 1963 pocket mouse
Cupidinimus halli Wood 1936 rodent
Cupidinimus lindsayi Barnosky 1986 rodent
Diprionomys cf. parvus Kellogg 1910 rodent
Proheteromys sulculus Wilson 1960 rodent
"Balantiomys cf. oregonensis" = Peridiomys oregonensis Gazin 1932 rodent