Age. Rancholabrean.
Description: Bitter Springs Playa, Rodgers Ridge, Fort Irwin (Jefferson 1991a).
Fauna.
Gopherus sp.—Gopher Tortoises (Jefferson 1991a)
Crotalus sp.—Rattlesnakes (Jefferson 2014)
†Mammuthus columbi—Columbian Mammoth (Jefferson 2014: cf.)
Xerospermophilus tereticaudus—Round-tailed Ground Squirrel (Jefferson 2014: nr.)
Spermophilus nr. tereticaudus
Chaetodipus/Perognathus sp.—Spiny or Silky Pocket Mice (Jefferson 2014: cf.)
Perognathus (small-size) (Jefferson 2014)
Dipodomys merriami—Merriam's Kangaroo Rat (Jefferson 2014: cf.)
Thomomys sp.—Western Pocket Gophers (Jefferson 2014: Cf.)
Microtus sp.—Voles (Jefferson 2014)
Neotoma lepida—Desert Woodrat (Jefferson 2014: cf.)
Lepus sp.—Jack Rabbits (Jefferson 1991b)
Sylvilagus sp.—Cottontails (Jefferson 2014)
†Panthera atrox—American Lion (Jefferson 2014)
†Smilodon sp.—Saber-tooth Cats (Jefferson 2014)
†Canis dirus—Dire Wolf (Jefferson 2014)
Canis latrans— (Jefferson 2014)
†Arctodus simus—Giant Short-faced Bear (Jefferson 2014)
†Equus sp. (large)—Large Horses (Jefferson 1991b)
†Equus conversidens—Mexican Horse (Jefferson 1991b: cf.)
†Camelops sp.—American Camels (Jefferson 1991b: ? gen.)
†Hemiauchenia sp.—American Llamas (Jefferson 1991b)
Odocoileus sp.—Deer (Jefferson 2014)
Last Update: 13 May 2015