USNM724u, Road Canyon, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.4° N, 33.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Willis Ranch Member (Word Formation), Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: replaced with silica

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 105887: authorized by Matthew Clapham, entered by Matthew Clapham on 26.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Craniata
 Craniida - Craniidae
Acanthocrania intermedia1 Cooper and Grant 1974
Strophomenata
 Strophomenida - Rugosochonetidae
Leurosina lata1 Cooper and Grant 1975
Dyoros (Lissosia) concavus1 Cooper and Grant 1975
Dyoros (Dyoros) tenuis1 Cooper and Grant 1975
Dyoros (Dyoros) extensus1 Cooper and Grant 1975
Undulella undulata1 Cooper and Grant 1969
 Orthotetida - Derbyiidae
Derbyia filosa1 Cooper and Grant 1974
Derbyia texta1 Cooper and Grant 1974
Derbyia pannucia1 Cooper and Grant 1974
 Orthotetida - Meekellidae
Meekella skenoides1 Girty 1908
 Productida - Linoproductidae
Grandaurispina bella1 Cooper and Grant 1975
Grandaurispina kingorum1 Muir-Wood and Cooper 1960
 Productida - Paucispiniferidae
Paucispinifera auriculata1 Muir-Wood and Cooper 1960
Paucispinifera transversa1 Cooper and Grant 1975
Paucispinifera magnispina1 Cooper and Grant 1975
 Productida - Productidae
Yakovlevia hessorum1 Cooper and Grant 1975
 Productida - Productellidae
Echinauris lateralis1 Muir-Wood and Cooper 1960
 Productida - Cyclacanthariidae
Cyclacantharia kingorum1 Cooper and Grant 1969
 Productida - Lyttoniidae
Collemataria elongata1 Cooper and Grant 1974
 Productida - Cooperinidae
Cooperina inexpectata1 Termier et al. 1966
 Productida - Aulostegidae
Xenosteges quadratus1 Cooper and Grant 1975
Polymorpharia polymorpha1 Cooper and Grant 1975
Cactosteges anomalus1 Cooper and Grant 1975
Rhamnaria kingorum1 Muir-Wood and Cooper 1960
 Productida - Strophalosiidae
Rhynchonellata
 Rhynchonellida - Allorhynchidae
Allorhynchus permianum1 Stehli 1955
ssp. wordense
Allorhynchus triangulatum1 Cooper and Grant 1976
 Rhynchonellida - Petasmatheridae
Petasmatherus opulus1 Cooper and Grant 1969
 Rhynchonellida - Wellerellidae
Wellerella girtyi1 Cooper and Grant 1976
ssp. girtyi
 Rhynchonellida - Rhynchoporidae
Rhynchopora palumbula1 Cooper and Grant 1976
 Terebratulida - Dielasmatidae
Dielasma sp.1 King 1856
Dielasma gracile1 Cooper and Grant 1976
Dielasma zebratum1 Cooper and Grant 1976
Dielasma compactum1 Cooper and Grant 1976
 Terebratulida - Pseudodielasmatidae
Pseudodielasma sp.1 Brill 1940
Pseudodielasma lobatum1 Cooper and Grant 1976
Pseudodielasma pingue1 Cooper and Grant 1976
Pseudodielasma gibberum1 Cooper and Grant 1976
 Terebratulida - Notothyrididae
Glossothyropsis rectangulata1 Cooper and Grant 1976
 Terebratulida - Cryptonellidae
Heterelasma concavum1 Cooper and Grant 1976
Texarina elongata1 Cooper and Grant 1976
 Spiriferinida - Spiriferellinidae
Metriolepis sp.1 Cooper and Grant 1976
Metriolepis pulvinata1 Cooper and Grant 1976
 Spiriferinida - Paraspiriferinidae
Paraspiriferina setulosa1 Cooper and Grant 1976
 Spiriferinida - Reticulariinidae
Reticulariina sp.1 Fredericks 1916
 Athyridida - Neoretziidae
Thedusia procera1 Cooper and Grant 1976
Hustedia sculptilis1 Cooper and Grant 1976
Hustedia pugilla1 Cooper and Grant 1976
ssp. pugilla
 Athyridida - Athyrididae
Composita enormis1 Cooper and Grant 1976
Composita parasulcata1 Cooper and Grant 1976
 Spiriferida - Ambocoeliidae
"Crurithyris tholiaphor" = Orbicoelia tholiaphor1
"Crurithyris tholiaphor" = Orbicoelia tholiaphor1 Cooper and Grant 1976
 Spiriferida - Trigonotretidae
Neospirifer amphigyus1 Cooper and Grant 1976
Cartorhium sp.1 Cooper and Grant 1976
Cartorhium chelomatum1 Cooper and Grant 1976
 Spiriferida - Spiriferellidae
Spiriferella calcarata1 Cooper and Grant 1976
 Orthida - Enteletidae
Enteletes sp.1 Waldheim 1825
Bivalvia
 Pectinida - Annuliconchidae
Annuliconcha dentata2 Newell and Boyd 1995 scallop
 Pectinida - Limipectinidae
Acanthopecten coloradoensis2 Newberry 1861 scallop
Cephalopoda
 Prolecanitida - Medlicottiidae
Eumedlicottia sp.1 Spath 1934 ammonite