PBDB Collection

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"

Show authors, comments, and common names

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

¹Dooley et al. 2019; ²Jefferson 1991