Vallecito Creek (CU 56): Irvingtonian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Felidae
Felis sp. Linnaeus 1758
    = Felinae indet. Trouessart 1885
Alroy 2002
Smilodon gracilis Cope 1880
CU 56.3
Mammalia - Carnivora - Mustelidae
Mustela frenata Lichtenstein 1831
recombined as Neogale frenata
Mammalia - Carnivora - Mephitidae
Spilogale putorius (Linnaeus 1758)
Mammalia - Perissodactyla - Equidae
Equus sp. Linnaeus 1758
Equus (Equus) sp. Linnaeus 1758
Equus (Dolichohippus) sp. (Heller 1912)
synonym of Equus
Equus simplicidens Cope 1892
recombined as Plesippus simplicidens
Mammalia - Camelidae
Camelops sp. Leidy 1854
Hemiauchenia sp. Gervais and Ameghino 1880
Mammalia - Cervidae
Odocoileus sp. Rafinesque 1832
Mammalia - Antilocapridae
Capromeryx sp. Matthew 1902
Tetrameryx sp. Lull 1921
Mammalia - Rodentia - Heteromyidae
Dipodomys sp. Gray 1841
Dipodomys sp. Gray 1841
"n. sp. A"
Mammalia - Rodentia - Geomyidae
Geomys sp. Rafinesque 1817
    = Geomyidae indet. Bonaparte 1845
Alroy 2002
Geomys garbanii White and Downs 1961
    = Nerterogeomys garbanii White and Downs 1961
Alroy 2002
Geomys anzensis Becker and White 1981
    = Nerterogeomys anzensis Becker and White 1981
Alroy 2002
Mammalia - Rodentia - Cricetidae
Ondatra idahoensis Wilson 1933
Sigmodon sp. Say and Ord 1825
Sigmodon lindsayi Martin and Prince 1989
Sigmodon minor Gidley 1922
    = Sigmodon medius Gidley 1922
Alroy 2002
synonym of Sigmodon minor
misinterpretation of Martin 1986, Martin and Prince 1989
Hodomys sp. Merriam 1894
"Neotoma (Hodomys) sp."
Mammalia - Lagomorpha - Leporidae
Sylvilagus sp. Gray 1867
Sylvilagus hibbardi White 1984
see common names

Geography
Country:United States State/province:California County:San Diego
Coordinates: 32.9° North, 117.1° West (view map)
Paleocoordinates:32.9° North, 116.8° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
*Local age/stage:Irvingtonian
Key time interval:Irvingtonian
Age range of interval:1.80000 - 0.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Palm Spring Member:Huesos/Tapiado
Local section:FCVC Local bed:3635
Local order:bottom to top
Stratigraphy comments: said to be Irvingtonian
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:short normal polarity chron of Opdyke et al. 1977 is explicitly shown as including this collecting unit; it almost certainly is chron C2n (1.77 - 1.95 Ma: Cande and Kent 1995), although there is a very small chance that it is chron C2r.1n, which otherwise does not appear in the section
Metadata
Database number:20124
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1999-09-21 00:00:00 Last modified:2007-09-06 21:00:48
Access level:the public Released:1999-09-21 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

1186. 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]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]