USNM733m, Split Tank, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.1° W: paleocoordinates 1.1° N, 33.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

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 106121: authorized by Matthew Clapham, entered by Matthew Clapham on 02.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Orthotetida - Meekellidae
Meekella calathica Cooper and Grant 1974
 Orthotetida - Derbyiidae
Derbyia laqueata Cooper and Grant 1974
 Productida - Productellidae
Rugatia paraindica McKee 1938
Nudauris linospina Cooper and Grant 1975
Echinauris irregularis Cooper and Grant 1975
 Productida - Linoproductidae
Megousia umbonata Cooper and Grant 1975
Grandaurispina sp. Muir-Wood and Cooper 1960
 Productida - Aulostegidae
Chonosteges variabilis Cooper and Grant 1975
Rhamnaria tenuispinosa Cooper and Grant 1975
 Productida - Hercosiidae
Hercosia uddeni Bose 1916
 Productida - Lyttoniidae
Choanodus irregularis Cooper and Grant 1974
Rhynchonellata
 Orthida - Schizophoriidae
 Spiriferinida - Spiriferellinidae
Metriolepis tegulata Cooper and Grant 1976
 Spiriferida - Trigonotretidae
Lepidospirifer demissus Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia sp. Hall and Clarke 1893
 Athyridida - Athyrididae
Composita sp. Brown 1849
 Terebratulida - Cryptonellidae
Heterelasma gibbosum Cooper and Grant 1976