PBDB

Vallecito Creek (CU 57) (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 20125: authorized by John Alroy, entered by John Alroy on 21.09.1999, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• may include "Mimomys" parvus and Terricola meadensis of Repenning 1992

Show authors, comments, and common names

Mammalia
Rodentia - Cricetidae	"Calomys (Bensonomys) sp." = Bensonomys, Reithrodontomys sp., Sigmodon sp., Sigmodon lindsayi, Baiomys sp., Arvicolinae indet.², Hodomys sp., Mictomys vetus¹, Peromyscus sp., Onychomys sp. "Calomys (Bensonomys) sp." = Bensonomys Gazin 1942 mouse CU 57.8 Reithrodontomys sp. Giglioli 1874 harvest mouse Sigmodon sp. Say and Ord 1825 cotton rat Sigmodon lindsayi Martin and Prince 1989 cotton rat CU 57.7 Baiomys sp. True 1894 pygmy mouse Arvicolinae indet.² Gray 1821 vole CU 57.8: described by Zakrzewski 1972; present at LACM 1942, 6683, 6814 Hodomys sp. Merriam 1894 mouse "Neotoma (Hodomys) sp." Mictomys vetus¹ Wilson 1933 bog lemming Peromyscus sp. Gloger 1841 deer mouse Onychomys sp. Baird 1858 grasshopper mouse
Rodentia - Sciuridae	Spermophilus sp. Spermophilus sp. Cuvier 1825 ground squirrel
Rodentia - Geomyidae	Geomyidae indet.¹, Nerterogeomys anzensis¹, Nerterogeomys garbanii¹ Geomyidae indet.¹ Bonaparte 1845 pocket gopher Nerterogeomys anzensis¹ Becker and White 1981 pocket gopher Nerterogeomys garbanii¹ White and Downs 1961 pocket gopher
Rodentia - Heteromyidae	Perognathinae indet.¹, Dipodomys sp., Dipodomys compactus Perognathinae indet.¹ Coues 1875 rodent Dipodomys sp. Gray 1841 kangaroo rat "n. sp. A" Dipodomys compactus True 1889 Gulf Coast kangaroo rat
Lagomorpha - Leporidae	Sylvilagus sp., Sylvilagus floridanus, Sylvilagus hibbardi Sylvilagus sp. Gray 1867 cottontail rabbit Sylvilagus floridanus Allen 1890 eastern cottontail Sylvilagus hibbardi White 1984 cottontail rabbit
Lipotyphla - Talpidae	Scapanus sp., Scapanus malatinus Scapanus sp. Pomel 1848 mole Scapanus malatinus Hutchison 1987 mole
Perissodactyla - Equidae	Equus (Equus) sp., Equus (Dolichohippus) sp., "Equus simplicidens" = Equus (Dolichohippus) simplicidens Equus (Equus) sp. Linnaeus 1758 horse Equus (Dolichohippus) sp. Heller 1912 horse "Equus simplicidens" = Equus (Dolichohippus) simplicidens Cope 1892 horse
Tribosphenida - Soricidae	Notiosorex jacksoni Notiosorex jacksoni Hibbard 1950 gray shrew
Carnivora - Ursidae	Tremarctos sp. Tremarctos sp. Gervais 1855 bear
Xenarthra - Megalonychidae	Megalonyx sp. Megalonyx sp. Harlan 1825 edentate
Proboscidea - Mammutidae	Mammut pacificus³ Mammut pacificus³ Dooley et al. 2019 mastodon also referred to as Mammut cf. americanum
Ungulata - Camelidae	Titanotylopus sp., Camelops sp., Hemiauchenia sp. Titanotylopus sp. Barbour and Schultz 1934 camel Camelops sp. Leidy 1854 camel Hemiauchenia sp. Gervais and Ameghino 1880 camel
Ungulata - Cervidae	Odocoileus sp., Navahoceros sp. Odocoileus sp. Rafinesque 1832 New World deer Navahoceros sp. Kurten 1975 New World deer said to be new
Ungulata - Antilocapridae	Capromeryx sp. Capromeryx sp. Matthew 1902 pronghorn

¹Alroy 2002; ²Bell and Bever 2006; ³Dooley et al. 2019