Emery Borrow Pit (Pleistocene to of the United States)

Also known as LACM 3536, 3537, 4178, 7053, 7054, 7088, 7089; RCIC 47

Where: Orange County, California (33.6° N, 117.8° W: paleocoordinates 33.5° N, 117.5° W)

• coordinate based on political unit

When: La Habra Formation, Irvingtonian to Irvingtonian (1.8 - 0.0 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the LACM

Primary reference: G. T. Jefferson. 1991. A catalogue of late Quaternary Vertebrates from California: Part Two, Mammals. Natural History Museum of Los Angeles County Technical Reports 7:1-129 [J. Alroy/J. Alroy/P. Holroyd]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 20323: authorized by John Alroy, entered by John Alroy on 07.06.1994, edited by Patricia Holroyd and Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• "? late Irvingtonian through Rancholabrean"
Osteichthyes indet.2
3 unidentified taxa
 Cypriniformes - Cyprinidae
Gila orcuttii2 carp-like fish
 Proboscidea - Mammutidae
Mammut pacificus1 Dooley et al. 2019 mastodon
 Proboscidea - Elephantidae
"Mammuthus cf. imperator" = Mammuthus columbi
"Mammuthus cf. imperator" = Mammuthus columbi Falconer 1857 imperial mammoth
 Perissodactyla - Equidae
"Equus cf. occidentalis" = Equus mexicanus
"Equus cf. occidentalis" = Equus mexicanus Hibbard 1955 horse
 Perissodactyla - Tapiridae
Tapirus merriami Frick 1921 tapir
 Artiodactyla - Antilocapridae
? Antilocapra sp. Ord 1818 pronghorn
 Artiodactyla - Cervidae
Odocoileus hemionus Rafinesque 1817 mule deer
Cervus elaphus Linnaeus 1758 red deer
 Artiodactyla - Bovidae
Bovidae indet. Gray 1821 antelope
"? Bootherium sp. or Bison sp."
 Artiodactyla - Camelidae
Palaeolama aff. mirifica Simpson 1929 stout-legged llama
Camelops hesternus Leidy 1873 camel
 Artiodactyla - Tayassuidae
cf. Tayassuidae indet. Palmer 1897 peccary
 Carnivora - Felidae
Lynx sp. Kerr 1792 lynx
 Carnivora - Canidae
Canis cf. latrans Say 1823 coyote
cf. Urocyon sp. Baird 1857 gray fox
 Carnivora - Mephitidae
Mephitis sp. Cuvier 1800 skunk
 Carnivora - Procyonidae
Bassariscus cf. astutus Lichtenstein 1830 ringtail
 Soricomorpha - Talpidae
Scapanus cf. latimanus Bachman 1842 broad-footed mole
 Rodentia - Sciuridae
"Spermophilus beecheyi" = Otospermophilus beecheyi
"Spermophilus beecheyi" = Otospermophilus beecheyi Richardson 1823 California ground squirrel
 Rodentia - Cricetidae
Microtus californicus Peale 1848 California vole
Neotoma lepida Thomas 1893 desert woodrat
Peromyscus sp. Gloger 1841 deer mouse
Sigmodon sp. Say and Ord 1825 cotton rat
 Rodentia - Geomyidae
Thomomys bottae Eydoux and Gervais 1836 Botta's pocket gopher
 Lagomorpha - Leporidae
Lepus sp. Linnaeus 1758 hare
Sylvilagus bachmani Waterhouse 1839 cottontail rabbit
 Megatherioidea - Megalonychidae
Megalonyx sp. Harlan 1825 edentate
 Salientia - Bufonidae
Bufo nestor2, "Bufo boreas" = Anaxyrus boreas2
"Bufo boreas" = Anaxyrus boreas2 Baird and Girard 1852 toad