PBDB Collection

USNM706f, Road Canyon Formation, lower Hess Canyon, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.4° N, 103.2° W: paleocoordinates 1.4° N, 33.2° 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 43554: 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

Craniata
Craniida - Craniidae	Lepidocrania tardispinosa Lepidocrania tardispinosa Cooper and Grant 1974
Strophomenata
Productida - Aulostegidae	Rhamnaria vinnula Rhamnaria vinnula Cooper and Grant 1975
Productida -	Rhytisia rugosa Rhytisia rugosa Cooper and Grant 1975
Productida - Paucispiniferidae	Paucispinifera sp., Paucispinifera sulcata Paucispinifera sp. Paucispinifera sulcata Cooper and Grant 1975
Productida - Productellidae	Costispinifera rugatula, Echinauris irregularis, Echinauris bella, Echinauris lappacea Costispinifera rugatula Girty 1908 Echinauris irregularis Cooper and Grant 1975 Echinauris bella Cooper and Grant 1975 Echinauris lappacea Cooper and Grant 1975
Productida - Cyclacanthariidae	Cyclacantharia transitoria Cyclacantharia transitoria Cooper and Grant 1975
Productida - Lyttoniidae	Coscinophora magnifica Coscinophora magnifica Cooper and Grant 1974
Orthotetida - Derbyiidae	Derbyia filosa Derbyia filosa Cooper and Grant 1974
Orthotetida - Schuchertellidae	Tropidelasma corniculum Tropidelasma corniculum Cooper and Grant 1974
Orthotetida - Meekellidae	Meekella calathica Meekella calathica Cooper and Grant 1974
Rhynchonellata
Spiriferida - Elythidae	Neophricadothyris crassibecca Neophricadothyris crassibecca Cooper and Grant 1976
Spiriferida - Trigonotretidae	Neospirifer bakeri Neospirifer bakeri King 1931 ssp. bakeri
Spiriferida - Spiriferellidae	Spiriferella sp. Spiriferella sp. Tschernyschew 1902
Spiriferida - Ambocoeliidae	"Crurithyris minutalis" = Cruricella minutalis "Crurithyris minutalis" = Cruricella minutalis Cooper and Grant 1976
Athyridida - Athyrididae	Composita sp., Composita enormis, Composita crassa, Composita pilula Composita sp. Brown 1849 Composita enormis Cooper and Grant 1976 Composita crassa Cooper and Grant 1976 Composita pilula Cooper and Grant 1976
Athyridida - Neoretziidae	Hustedia consuta, Hustedia cuneata Hustedia consuta Cooper and Grant 1976 Hustedia cuneata Cooper and Grant 1976
Spiriferinida - Spiriferellinidae	Metriolepis ziczac Metriolepis ziczac Cooper and Grant 1976
Spiriferinida - Paraspiriferinidae	Paraspiriferina cellulana Paraspiriferina cellulana Cooper and Grant 1976
Spiriferinida - Reticulariinidae	Reticulariina sp., Altiplecus "sp. 2" Reticulariina sp. Fredericks 1916 Altiplecus "sp. 2" Stehli 1954
Rhynchonellida - Rhynchoporidae	Rhynchopora hebetata Rhynchopora hebetata Cooper and Grant 1976
Rhynchonellida - Stenoscismatidae	Stenoscisma sp., Stenoscisma maniculum, Stenoscisma triquetrum, Stenoscisma camurum, Stenoscisma calvatum Stenoscisma sp. Conrad 1839 Stenoscisma maniculum Cooper and Grant 1976 Stenoscisma triquetrum Cooper and Grant 1976 Stenoscisma camurum Cooper and Grant 1976 Stenoscisma calvatum Cooper and Grant 1976
Rhynchonellida - Wellerellidae	Phrenophoria sp., ? Phrenophoria compressa, Cenorhynchia saginata Phrenophoria sp. Cooper and Grant 1969 ? Phrenophoria compressa Cooper and Grant 1976 Cenorhynchia saginata Cooper and Grant 1976
Rhynchonellida - Petasmatheridae	Petasmatherus pumilus, Petasmatherus nitidus, Elassonia micraria Petasmatherus pumilus Cooper and Grant 1976 Petasmatherus nitidus Cooper and Grant 1976 Elassonia micraria Cooper and Grant 1976
Terebratulida - Cryptonellidae	Heterelasma glansfagea, Texarina wordensis Heterelasma glansfagea Cooper and Grant 1976 Texarina wordensis King 1931
Terebratulida - Dielasmatidae	Dielasma sp., Dielasma ellipsoideum Dielasma sp. King 1856 Dielasma ellipsoideum Cooper and Grant 1976
Orthida - Schizophoriidae	Acosarina mesoplatys Acosarina mesoplatys King 1931
Orthida - Enteletidae	Enteletes sp., Enteletes densus Enteletes sp. Waldheim 1825 Enteletes densus Cooper and Grant 1976
Cephalopoda
Goniatitida - Adrianitidae	Neocrimites sp. Neocrimites sp. Ruzhentsev 1940 ammonite