PBDB Collection

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

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