Anderson Quarry (Permian of the United States)

Also known as (UCMP locality V3431) (NMMNH locality L 4991)

Where: Rio Arriba County, New Mexico (36.1° N, 106.7° W: paleocoordinates 6.5° N, 33.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Arroyo del Agua Formation (Cutler Group), Wolfcampian (298.9 - 286.0 Ma)

Environment/lithology: lacustrine; gray shale and sandstone

• Langston (1953) interpreted this deposit as belonging to a nearshore lake deposit, but Eberth (1985) interpreted it as a crevasse-channel deposit similar to the VanderHoof, Quarry Butte and Welles quarries.
• "The Anderson quarry consists of light gray shale with lenses of crossbedded sandstone capped by numerous, light-colored marl layers. " Lucas et al. (2005)

Size class: macrofossils

Primary reference: S. G. Lucas, S. K. Harris, J. A. Spielmann, D. S. Berman, A. C. Henrici, A. B. Heckert, K. E. Zeigler and L. F. Rinehart. 2005. Early Permian Vertebrate Assemblage and its Biostratigraphic Significance, Arroyo del Agua, Rio Arriba County, New Mexico. New Mexico Geological Society, 56th Field Conference Guidebook, Geology of the Chama Basin 288-296 [R. Butler/E. Dunne]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180382: authorized by Richard Butler, entered by Emma Dunne on 14.07.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Mircosauria indet.
Osteichthyes
 Cotylosauria - Diadectidae
Diadectes sp.
Diadectes sp. Cope 1878 tetrapod
 Synapsida - Ophiacodontidae
Ophiacodon sp.
Ophiacodon sp. Marsh 1878 ophiacodont
 Synapsida - Sphenacodontidae
cf. Sphenacodon ferocior
cf. Sphenacodon ferocior Romer 1937 synapsid
Reptilia
 Bolosauria - Bolosauridae
Bolosaurus sp.
Bolosaurus sp. Cope 1878 parareptile
Amphibia
 Temnospondyli - Eryopidae
Eryops grandis
Eryops grandis Marsh 1878 tetrapod