Pit Stop Quarry (Pleistocene of the United States)

Also known as NAUQSP locality 897

Where: Navajo County, Arizona (34.5° N, 110.1° W: paleocoordinates 34.5° N, 110.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• "approximately 2 m below the surface in a vertical exposure at the southeastern end of the quarry"

• bed-level stratigraphic resolution

Environment/lithology: fluvial; paleosol/pedogenic, brown claystone

• "fine-grained bank slump of a paleodrainage"
• "clayey... The upper 2 m of the soil profile showed a well-developed brown (7.5 YR 5/6 Munsell) clay exhibiting strong block to prismatic soil structure in the upper 50 cm and stage II+ calcic development increasing toward the base of the unit."

Size classes: macrofossils, mesofossils

Collection methods: quarrying,

Primary reference: L. K. Murray, C. J. Bell, M. T. Dolan and J. I. Mead. 2005. Late Pleistocene fauna from the southern Colorado Plateau, Navajo County, Arizona. The Southwestern Naturalist 50(3):363-374 [J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 63381: authorized by John Alroy, entered by John Alroy on 12.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Amphibia
 Caudata - Urodela
Ambystomatidae indet.
Ambystomatidae indet. Hallowell 1856 mole salamander
Mammalia
 Artiodactyla - Tayassuidae
Platygonus compressus
Platygonus compressus Leconte 1848 peccary
 Lagomorpha - Leporidae
Brachylagus sp.
Brachylagus sp. Lyon 1904 pygmy rabbit
 Rodentia - Cricetidae
Lemmiscus curtatus
Lemmiscus curtatus Cope 1868 sagebrush vole
 Rodentia - Sciuridae
Sciuridae "indet. small", Sciuridae "indet. large"
Sciuridae "indet. small" Gray 1821 squirrel
Tamias or Spermophilus
Sciuridae "indet. large" Gray 1821 squirrel
Cynomys or Spermophilus
 Rodentia - Geomyidae
Thomomys sp.
Thomomys sp. Wied-Neuwied 1839 pocket gopher