Curtis Floss: Blancan, Arizona

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Geomyidae
Geomys persimilis Hay 1927
    = Nerterogeomys persimilis Hay 1927
Johnson et al. 1975
Mammalia - Rodentia - Cricetidae
Sigmodon minor Gidley 1922
Johnson et al. 1975
Sigmodon curtisi Gidley 1922
Johnson et al. 1975
Peromyscus sp. Gloger 1841
Calomys arizonae Gidley 1922
    = Bensonomys arizonae Gidley 1922
Johnson et al. 1975
recombined as Calomys (Bensonomys) arizonae
Onychomys pedroensis Gidley 1922
Johnson et al. 1975
Mammalia - Lagomorpha - Leporidae
Lepus sp. Linnaeus 1758
    = Sylvilagus sp. Gray 1867
Galusha et al. 1984
presumably includes "L. nr. californicus" of Downey 1970
Aluralagus virginiae n. sp. Downey 1970
Downey 1970
see also White 1991a
Mammalia - Talpidae
Talpidae indet. (Fischer de Waldheim 1817)
Mammalia - Perissodactyla - Equidae
Equus sp. Linnaeus 1758
Mammalia - Tayassuidae
Platygonus sp. Leconte 1848
Mammalia - Camelidae
Camelops sp. Leidy 1854
Tanupolama sp. Stock 1928
    = Hemiauchenia sp. Gervais and Ameghino 1880
Alroy 2002
Mammalia - Antilocapridae
Capromeryx gidleyi Frick 1937
Johnson et al. 1975
presumably includes type of Frick 1937 from "Curtis Flats, Benson"
Mammalia - Carnivora - Mephitidae
Spilogale pedroensis Gazin 1942
    = Spilogale putorius Linnaeus 1758
Johnson et al. 1975
Mammalia - Carnivora - Canidae
Canis edwardii Gazin 1942
confirmed by Nowak 1979, although Johnson et al. 1975 list "C. priscolatrans"
Mammalia - Proboscidea - Gomphotheriidae
Stegomastodon sp. Pohlig 1912
see common names

Geography
Country:United States State/province:Arizona County:Cochise
Coordinates: 32.0° North, 110.2° West (view map)
Paleocoordinates:32.1° North, 109.6° West
Basis of coordinate:based on political unit
Time
10 m.y. bin:Cenozoic 6
*Period:Quaternary *Epoch:Pleistocene
*Local age/stage:Irvingtonian
Key time interval:Blancan
Age range of interval:4.90000 - 1.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:St. David
Local section:SPedr Local bed:11
Local order:bottom to top
Stratigraphy comments: within chron C2r.2r
said to be Irvingtonian, but presumably Blancan insofar as it underlies the Glyptotherium fauna, which is Blancan according to Cassiliano 1999
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:species-level i.d.s inferred from "Gidley Level" list of Johnson et al. 1975
"Curtis Ranch" herpetofauna described by Brattstrom 1955: Ambystoma tigrinum, Coluber constrictor, Lampropeltis intermedius n. sp., Natrix sp., Thamnophis sp., Crotalus lepidus, Testudo sp. (not seen and probably Gopherus sp.)
Metadata
Also known as:UA locality 25-2; "Gidley Level" in part; Curtis Ranch in part
Database number:20303
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2008-03-01 17:20:20
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2252. E. H. Lindsay and N. T. Tessman. 1974. Cenozoic Vertebrate Localities and Faunas in Arizona. Journal of the Arizona Academy of Sciences 9(1):3-24 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
4266 J. S. Downey. 1970. Middle Pleistocene Leporidae from the San Pedro valley, Arizona. United States Geological Survey Professional Paper 700(B):131-136 [J. Alroy/J. Alroy/J. Alroy]
1584 T. Galusha, N. M. Johnson, E. H. Lindsay, N. D. Opdyke, and R. H. Tedford. 1984. Biostratigraphy and magnetostratigraphy, late Pliocene rocks, 111 Ranch, Arizona. Geological Society America Bulletin 95(6):714-722 [J. Alroy/J. Alroy/M. Uhen]
2040 N. M. Johnson, N. D. Opdyke, and E. H. Lindsay. 1975. Magnetic Polarity Stratigraphy of Pliocene-Pleistocene Terrestrial Deposits and Vertebrate Faunas, San Pedro Valley, Arizona. Geological Society America Bulletin 86(1):5-12 [J. Alroy/J. Alroy/M. Uhen]