USNM700x, Dugout Mountain, Glass Mountains (Permian of the United States)

Also known as Reef 318

Where: Brewster County, Texas (30.2° N, 103.4° W: paleocoordinates 1.1° N, 33.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Wedin Member (Cathedral Mountain Formation), Kungurian (279.3 - 272.3 Ma)

• Equivalent to Fifth Leonard Limestone Member of P.B. King; Leonardian (Cathedralian).

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

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 43466: 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).
Strophomenata
 Productida - Cooperinidae
Cooperina parva Cooper and Grant 1975
 Productida - Aulostegidae
Xenosteges adherens Muir-Wood and Cooper 1960
Chonosteges pulcher Cooper and Grant 1975
 Productida - Lyttoniidae
Choanodus perfectus Cooper and Grant 1974
 Productida - Hercosiidae
Hercosia uddeni Bose 1916
 Productida - Productellidae
Echinauris irregularis Cooper and Grant 1975
 Productida - Monticuliferidae
Compressoproductus thomasi Cooper and Grant 1975
 Orthotetida - Meekellidae
Meekella calathica Cooper and Grant 1974
 Orthotetida - Derbyiidae
Derbyia complicata Cooper and Grant 1974
Rhynchonellata
 Spiriferinida - Spiriferellinidae
Metriolepis larina Cooper and Grant 1976
 Rhynchonellida - Wellerellidae
Cenorhynchia mitigata Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Torynechus caelatus Cooper and Grant 1962
Stenoscisma triquetrum Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia spicata Cooper and Grant 1976
 Spiriferida - Trigonotretidae
Cartorhium coristum Cooper and Grant 1976
 Spiriferida - Elythidae
"Neophricadothyris bullata" = Permophricodothyris bullata
"Neophricadothyris bullata" = Permophricodothyris bullata Cooper and Grant 1976
 Terebratulida - Cryptonellidae
 Orthida - Enteletidae