Vallecito Creek (CU 55) (Pleistocene of the United States)

Where: San Diego County, California (32.9° N, 117.1° W: paleocoordinates 32.9° N, 116.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Huesos/Tapiado Member (Palm Spring Formation), Irvingtonian (1.8 - 0.3 Ma)

• said to be Irvingtonian

Environment/lithology: terrestrial

Size classes: macrofossils, mesofossils

Primary reference: M. L. Cassiliano. 1999. Biostratigraphy of Blancan and Irvingtonian mammals in the Fish Creek-Vallecito Creek section, southern California, and a review of the Blancan-Irvingtonian boundary. Journal of Vertebrate Paleontology 19(1):169-186 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 20123: authorized by John Alroy, entered by John Alroy on 21.09.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Theriamorpha - Soricidae
Sorex sp. Linnaeus 1758 long-tailed shrew
 Theriamorpha - Talpidae
Scapanus malatinus Hutchison 1987 mole
 Carnivora - Mustelidae
"Mustela frenata" = Neogale frenata Lichtenstein 1831 long-tailed weasel
Trigonictis macrodon Cope 1868 mustelid carnivore
see Anderson 1984
 Carnivora - Canidae
Canis sp. Linnaeus 1758 canine
 Artiodactyla - Cervidae
Navahoceros sp. Kurten 1975 New World deer
said to be new
 Artiodactyla - Antilocapridae
Capromeryx sp. Matthew 1902 pronghorn
 Artiodactyla - Camelidae
Hemiauchenia sp. Gervais and Ameghino 1880 camel
Hemiauchenia macrocephala Cope 1893 camel
Titanotylopus sp. Barbour and Schultz 1934 camel
Camelops sp. Leidy 1854 camel
 Perissodactyla - Equidae
"Equus sp." = Equus, "Equus (Dolichohippus) sp." = Equus
"Equus sp." = Equus Linnaeus 1758 horse
"Equus (Dolichohippus) sp." = Equus Linnaeus 1758 horse
 Perissodactyla - Tapiridae
Tapirus sp. Brisson 1762 tapir
 Lagomorpha - Leporidae
Lepus sp. Linnaeus 1758 hare
CU 55.0
Lepus callotis Wagler 1830 hare
CU 55.4
Sylvilagus sp. Gray 1867 cottontail rabbit
Sylvilagus hibbardi White 1984 cottontail rabbit
Pewelagus dawsonae White 1984 rabbit
CU 55.5
 Rodentia - Cricetidae
Hodomys sp. Merriam 1894 mouse
"Neotoma (Hodomys) sp."
Sigmodon sp. Say and Ord 1825 cotton rat
Sigmodon lindsayi Martin and Prince 1989 cotton rat
CU 55.5
"Sigmodon medius" = Sigmodon minor Gidley 1922 cotton rat
 Rodentia - Geomyidae
Geomyidae indet. Bonaparte 1845 pocket gopher
Microdipodops sp. Merriam 1891 pocket gopher
Nerterogeomys anzensis Becker and White 1981 pocket gopher
Nerterogeomys garbanii White and Downs 1961 pocket gopher
Thomomys sp. Wied-Neuwied 1839 pocket gopher
 Rodentia - Heteromyidae
Dipodomys sp. Gray 1841 kangaroo rat
Dipodomys compactus True 1889 Gulf Coast kangaroo rat
Perognathinae indet. Coues 1875 rodent
 Megatherioidea - Nothrotheriidae
"Nothrotheriops shastensis" = Nothrotherium shastense
"Nothrotheriops shastensis" = Nothrotherium shastense Sinclair 1905 Shasta ground sloth