"B" Sites (Miocene of the United States)

Where: San Luis Obispo County, California (35.1° N, 120.0° W: paleocoordinates 34.4° N, 115.6° W)

• coordinate based on political unit

When: Caliente Formation, Middle Miocene (16.0 - 11.6 Ma)

• beds are a lateral equivalent of the Branch Canyon Fm.

•associated with a "middle Miocene marine mollusk fauna"

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: C. A. Repenning and J. G. Vedder. 1961. Continental vertebrates and their stratigraphic correlation with marine mollusks, eastern Caliente Range, California. United States Geological Survey Professional Paper 424C(235):C-235-C239 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 19196: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• may include CIT 322/323; does NOT include CIT 312/313

•Barstovian taxa of unknown provenance from Repenning and Vedder 1961: Merychippus brevidontus "Dyseohyus sp." Camelidae indet. ("? Protolabis sp.") "Dromomeryx sp. or Rakomeryx sp."

Mammalia
 Carnivora - Canidae
Tomarctus brevirostris Cope 1873 bone-crushing dog
 Perissodactyla - Equidae
"Merychippus sumani" = Scaphohippus sumani Merriam 1915 horse
Archaeohippus mourningi Merriam 1913 anchitheriine horse