Bighorn Cave - Locus A, Level I: Holocene, Arizona

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Chiroptera
Chiroptera indet. Blumenbach 1779
Mammalia - Carnivora - Mephitidae
Spilogale gracilis Merriam 1890
Mammalia - Bovidae
Ovis canadensis Shaw 1804
Mammalia - Lagomorpha - Leporidae
Sylvilagus sp. Gray 1867
"Sylvilagus audubonii / floridanus"
Sylvilagus audubonii (Baird 1858)
Mammalia - Rodentia - Cricetidae
Peromyscus sp. Gloger 1841
(correlation to this Component tentative)
Neotoma sp. Say and Ord 1825
Mammalia - Rodentia - Muridae
Muridae indet. Illiger 1811
"Peromyscus / Onychomys sp." (correleation to this Component tentative)
Mammalia - Rodentia - Sciuridae
Ammospermophilus cf. harrisii
(correlation to this Component tentative)
Spermophilus variegatus (Erxleben 1777)
recombined as Otospermophilus variegatus
Mammalia - Rodentia - Geomyidae
Thomomys sp. Wied-Neuwied 1839
Thomomys cf. bottae (Eydoux and Gervais 1836)
Mammalia - Rodentia - Heteromyidae
Heteromyidae indet. Gray 1868
"Perognathus / Chaetodipus sp."
Dipodomys sp. Gray 1841
Dipodomys cf. merriami Mearns 1890
see common names

Geography
Country:United States State/province:Arizona County:Mohave
Coordinates: 35.2° North, 114.4° West (view map)
Paleocoordinates:35.2° North, 114.4° West
Basis of coordinate:estimated from map
Time
Period:Quaternary Epoch:Holocene
10 m.y. bin:Cenozoic 6
Key time interval:Holocene
Age range of interval:0.01170 - 0.00000 m.y. ago
Stratigraphy
Stratigraphy comments: Fauna recovered from cave fill sediments; details of stratigraphy were provided by Geib and Keller (2002); Level (Component) I associated with radiocarbon dates spanning 3395 yr B.P. and 2425 yr B.P. (Geib and Keller, 2002).
Lithology and environment
Lithology description: Cave is formed within a "massive volcanic breccia" (Geib (2002:7); see also Geib and Keller (2002)
Environment:cave
Taphonomy
Modes of preservation:body
Preservation of anatomical detail:good
Abundance in sediment:abundant
Articulated whole bodies:none
Associated major elements:some
Disassociated major elements:many
Disassociated minor elements:many
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:selective quarrying,field collection
Minimum sieve size:3.175 Maximum sieve size:6.350
Reason for describing collection:taxonomic analysis
Collection method comments: Screen mesh size reported by Geib and Keller (2002); specimens are curated in the Laboratory of Quaternary Paleontology, Northern Arizona University, Flagstaff, Arizona (NAUQSP)
Metadata
Also known as:Locus A = "lower shelter and toe of talus cone"; Level I = "Component I"
Database number:63708
Authorizer:C. Bell Enterer:C. Bell
Modifier:C. Bell Research group:vertebrate
Created:2006-08-18 15:06:57 Last modified:2006-08-18 19:46:32
Access level:the public Released:2006-08-18 15:06:57
Creative Commons license:CC BY
Reference information

Primary reference:

18308. C. N. Jass. 2004. Mid to late Holocene mammals from Bighorn Cave, Arizona. The Southwestern Naturalist 49(1):75-82 [C. Bell/C. Bell]