Bighorn Cave - Locus B, general (Holocene of the United States)

Also known as Locus B = "upper portion of the talus cone within the upper grotto"

Where: Mohave County, Arizona (35.2° N, 114.4° W: paleocoordinates 35.2° N, 114.4° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Holocene (0.0 - 0.0 Ma)

• Fauna recovered from cave fill sediments; details of stratigraphy and level designations were provided by Geib and Keller (2002)

Environment/lithology: caveunlithified

• Cave is formed within a "massive volcanic breccia" (Geib (2002:7); see also Geib and Keller (2002)

Size class: macrofossils

Collection methods: salvage, surface (float),

• Screen mesh size reported by Geib and Keller (2002); specimens are curated in the Laboratory of Quaternary Paleontology, Northern Arizona University, Flagstaff, Arizona (NAUQSP)

Primary reference: C. N. Jass. 2002. Preliminary taphonomic analyses of the mammalian microfauna. Pp. 179-190 in Bighorn Cave: Test Excavations of a Stratified Dry Shelter Mohave County, Arizona (P. R. Geib, and D. R. Keller, eds.). Bilby Research Center Occasional Papers 1 (Northern Arizona University, Flagstaff, Arizona). [C. Bell/C. Bell]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 63723: authorized by Chris Bell, entered by Chris Bell on 18.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Chiroptera - Vespertilionidae
cf. Eptesicus fuscus Beauvois 1796 big brown bat
 Artiodactyla - Bovidae
Ovis canadensis Shaw 1804 bighorn sheep
cf. Ovis canadensis Shaw 1804 bighorn sheep
 Lagomorpha - Leporidae
Sylvilagus sp. Gray 1867 cottontail rabbit
"Sylvilagus audubonii / floridanus"
Sylvilagus audubonii Baird 1858 desert cottontail
 Rodentia - Sciuridae
"Spermophilus variegatus" = Otospermophilus variegatus
"Spermophilus variegatus" = Otospermophilus variegatus Erxleben 1777 rock squirrel
 Rodentia - Heteromyidae
Heteromyidae indet. Gray 1868 rodent
"Perognathus or Chaetodipus sp."
 Rodentia - Geomyidae
Thomomys sp. Wied-Neuwied 1839 pocket gopher
 Rodentia - Cricetidae
Peromyscus sp. Gloger 1841 deer mouse
Neotoma sp. Say and Ord 1825 pack rat