USNM710z, Road Canyon Formation, Hill 4910, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.3° N, 103.3° W: paleocoordinates 1.4° N, 33.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Road Canyon Formation, Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; limestone

• Road Canyon Formation records largely slope and basinal deposition.

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 44242: authorized by David Bottjer, entered by Matthew Clapham on 06.09.2004

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
 Orthotetida - Meekellidae
Meekella calathica1
Meekella calathica1 Cooper and Grant 1974
 Productida - Productellidae
Echinauris sp.1, Echinauris bella1, "Kutorginella sullivanensis" = Retaria sullivanensis1
Echinauris sp.1 Muir-Wood and Cooper 1960
Echinauris bella1 Cooper and Grant 1975
"Kutorginella sullivanensis" = Retaria sullivanensis1 King 1931
 Productida - Linoproductidae
Megousia auriculata1, Holotricharina sparsa1
Megousia auriculata1 Muir-Wood and Cooper 1960
Holotricharina sparsa1 Cooper and Grant 1975
 Productida - Echinoconchidae
Waagenoconcha platys1
Waagenoconcha platys1 Cooper and Grant 1975
 Productida - Aulostegidae
Rhamnaria vinnula1
Rhamnaria vinnula1 Cooper and Grant 1975
 Strophomenida - Rugosochonetidae
Dyoros (Dyoros) angulatus1, Dyoros (Dyoros) transversus1
Dyoros (Dyoros) angulatus1 Cooper and Grant 1975
Dyoros (Dyoros) transversus1 Cooper and Grant 1975
Rhynchonellata
 Spiriferida - Elythidae
Neophricadothyris crassibecca1
Neophricadothyris crassibecca1 Cooper and Grant 1976
 Spiriferida - Spiriferellidae
Spiriferella sp.1
Spiriferella sp.1 Tschernyschew 1902
 Spiriferida - Trigonotretidae
Neospirifer bakeri1
Neospirifer bakeri1 King 1931
ssp. bakeri
 Spiriferinida - Reticulariinidae
Reticulariina pristina1
Reticulariina pristina1 Cooper and Grant 1976
 Terebratulida - Dielasmatidae
Dielasma bellulum1
Dielasma bellulum1 Cooper and Grant 1976
 Terebratulida - Cryptonellidae
Heterelasma glansfagea1
Heterelasma glansfagea1 Cooper and Grant 1976
 Rhynchonellida - Rhynchoporidae
Rhynchopora sphenoides1
Rhynchopora sphenoides1 Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Stenoscisma camurum1
Stenoscisma camurum1 Cooper and Grant 1976
 Rhynchonellida - Petasmatheridae
Petasmatherus pumilus1
Petasmatherus pumilus1 Cooper and Grant 1976
 Athyridida - Athyrididae
Composita crassa1
Composita crassa1 Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia connorsi1
Hustedia connorsi1 Cooper and Grant 1976
Bivalvia
 Pectinida - Deltopectinidae
Cyrtorostra varicostata2
Cyrtorostra varicostata2 Branson 1930 scallop
1Cooper and Grant 1977; 2Newell and Boyd 1995