Old Woman Formation ( of the United States)

Also known as SBCM 1.94.10

Where: San Bernardino County, California (34.8° N, 117.0° W: paleocoordinates 34.6° N, 116.0° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Blancan (4.9 - 1.8 Ma)

Environment/lithology: terrestrial

Primary reference: N. J. Czaplewski. 1993. Late Tertiary bats (Mammalia, Chiroptera) from the southwestern United States. Southwestern Naturalist 38(2):111-118 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 19708: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• a single locality worked by the San Bernardino County Museum; see also Reynolds and Reynolds 1994a
Mammalia
 Chiroptera - Vespertilionidae
Eptesicus cf. fuscus Beauvois 1796 big brown bat
a bat
 Perissodactyla - Equidae
"Equus simplicidens" = Plesippus simplicidens
"Equus simplicidens" = Plesippus simplicidens Cope 1892 horse
 Lagomorpha - Leporidae
Hypolagus furlongi Gazin 1934 rabbit
 Rodentia - Cricetidae
Neotoma sp., "Sigmodon medius" = Sigmodon minor
Neotoma sp. Say and Ord 1825 pack rat
"Sigmodon medius" = Sigmodon minor Gidley 1922 cotton rat