Sulfur Spring (Miocene of the United States)

Also known as SBCM 1-103.137-144

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: lower Unit 3 Member (Crowder Formation), Early/Lower Barstovian (16.3 - 12.5 Ma)

Environment/lithology: fluvial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: R. E. Reynolds. 1991. Biostratigraphic relationships of Tertiary small vertebrates from Cajon Valley, San Bernardino County, California. In M.O. Woodburne, R.E. Reynolds, and D.P. Whistler, (eds.), San Bernardino County Museum Association Quarterly 38(3):54-59 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 19564: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• at least eight localities
Mammalia
 Rodentia - Sciuridae
Protospermophilus sp. Gazin 1930 squirrel
 Rodentia - Cricetidae
Copemys cf. tenuis Lindsay 1972 mouse
Copemys cf. pagei Shotwell 1967 mouse
 Rodentia - Heteromyidae
Cupidinimus cf. halli Wood 1936 rodent
Perognathus furlongi Gazin 1930 pocket mouse
Perognathus cf. minutus James 1963 pocket mouse
 Lagomorpha - Leporidae
 Lagomorpha - Ochotonidae
Russellagus sp. Storer 1970 pika
 Perissodactyla - Equidae
Archaeohippus mourningi Merriam 1913 anchitheriine horse