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 (16.0 - 13.6 Ma)

Environment/lithology: terrestrial

Primary reference: R. E. Reynolds. 1991. San Bernardino County Museum Association Quarterly 38(3) [J. Alroy/J. Alroy]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
 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
Cupidinimus halli Wood 1936 rodent
Cupidinimus lindsayi Barnosky 1986 rodent
Proheteromys sulculus Wilson 1960 rodent
"Balantiomys cf. oregonensis" = Peridiomys oregonensis Gazin 1932 rodent
Perognathus minutus James 1963 pocket mouse
Perognathus furlongi Gazin 1930 pocket mouse
Diprionomys cf. parvus Kellogg 1910 rodent