USNM700o, Dugout Mountain, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.2° N, 103.4° W: paleocoordinates 0.8° S, 34.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dugout Mountain Member (Skinner Ranch Formation), Artinskian (290.1 - 279.3 Ma)

• Near middle of Second Leonard Limestone Member of P.B. King; Leonardian (Hessian).

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

• Skinner Ranch Formation is slope to basinal equivalent of platformal Hess Formation.

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, chemical,

Primary reference: G. A. Cooper and R. E. Grant. 1972. Permian brachiopods of west Texas, I. Smithsonian Contributions to Paleobiology 14:1-231 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 43460: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• A variety of papers list the brachiopods, nearly all gastropods, most bivalves (except primarily Paleotaxodonts), trilobites, chitons, siliceous sponges, rugose corals (only from Gaptank and Asselian/Sakmarian formations).
Show authors, comments, and common names
Strophomenata
 Productida - Productidae
Peniculauris "sp. 1"
Peniculauris "sp. 1" Muir-Wood and Cooper 1960
 Productida - Aulostegidae
Glyptosteges intricatus, Chonosteges variabilis, Rhamnaria grandis
Glyptosteges intricatus Cooper and Grant 1975
Chonosteges variabilis Cooper and Grant 1975
Rhamnaria grandis Cooper and Grant 1975
Cephalopoda
 Prolecanitida - Medlicottiidae
Bamyaniceras knighti
Bamyaniceras knighti Miller and Furnish 1940 ammonite