USNM721s, Hess 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

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: slope; 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 101782: authorized by Matthew Clapham, entered by Matthew Clapham on 03.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Proetida - Proetidae
Novoameura vitrumons2 Brezinski 1992 trilobite
Delaria antiqua2 Girty 1909 trilobite
Delaria brevis2 Brezinski 1992 trilobite
Strophomenata
 Productida - Cooperinidae
Cooperina subcuneata3 Cooper and Grant 1975
 Productida - Aulostegidae
Edriosteges multispinosus3 Muir-Wood and Cooper 1960
 Productida - Echinoconchidae
Waagenoconcha convexa3 Cooper and Grant 1975
 Productida - Productellidae
Echinauris sp.3 Muir-Wood and Cooper 1960
Echinauris irregularis3 Cooper and Grant 1975
Paucispinifera sulcata3 Cooper and Grant 1975
 Productida - Productidae
Peniculauris transversa3 Cooper and Grant 1975
Kutorginella robusta3 Cooper and Grant 1975
 Productida - Linoproductidae
Megousia auriculata3 Muir-Wood and Cooper 1960
Holotricharina hirsuta3 Cooper and Grant 1975
 Productida - Rugosochonetidae
Dyoros (Dyoros) transversus3 Cooper and Grant 1975
 Productida - Lyttoniidae
Eolyttonia chaotica3 Cooper and Grant 1974
 Productida - Cyclacanthariidae
Cyclacantharia paucispinosa3 Cooper and Grant 1975
 Productida - Hercosiidae
Hercosestria cribrosa3 Cooper and Grant 1969
 Orthotetida - Derbyiidae
Derbyia cincinnata3 Cooper and Grant 1974
 Orthotetida - Meekellidae
Meekella calathica3 Cooper and Grant 1974
Rhynchonellata
 Athyridida - Neoretziidae
Hustedia narinosa3 Cooper and Grant 1976
 Athyridida - Athyrididae
Composita crassa3 Cooper and Grant 1976
 Terebratulida - Cryptonellidae
Heterelasma glansfagea3 Cooper and Grant 1976
Texarina wordensis3 King 1931
 Terebratulida - Dielasmatidae
Dielasma ellipsoideum3 Cooper and Grant 1976
 Spiriferinida - Reticulariinidae
Reticulariina craticula3 Cooper and Grant 1976
 Spiriferida - Trigonotretidae
"Neospirifer thescelus" = Neospirifer venezuelensis3
"Neospirifer thescelus" = Neospirifer venezuelensis3 Gerth 1931
 Spiriferida - Elythidae
Neophricadothyris crassibecca3 Cooper and Grant 1976
 Rhynchonellida - Wellerellidae
Cenorhynchia parvula3 Cooper and Grant 1976
 Rhynchonellida - Pontisiidae
Pontisia stehlii3 Cooper and Grant 1969
ssp. stehlii
 Rhynchonellida - Rhynchoporidae
Rhynchopora hebetata3 Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Stenoscisma triquetrum3 Cooper and Grant 1976
Stenoscisma camurum3 Cooper and Grant 1976
 Orthida - Schizophoriidae
Craniata
 Craniida - Craniidae
Lepidocrania tardispinosa3 Cooper and Grant 1974
Bivalvia
 Pectinida - Entoliidae
Pernopecten yini5 Newell and Boyd 1995 scallop
 Pectinida - Deltopectinidae
Cyrtorostra varicostata5 Branson 1930 scallop
Eocamptonectes papillatus5 Girty 1909 scallop
 Pectinida - Heteropectinidae
Girtypecten sublaqueatus5 Girty 1909 scallop
 Pectinida - Limipectinidae
Acanthopecten coloradoensis5 Newberry 1861 scallop
 Pectinida - Annuliconchidae
Annuliconcha dentata5 Newell and Boyd 1995 scallop
 Pectinida - Pseudomonotidae
Prospondylus acinetus4 Newell and Boyd 1970 scallop
Pegmavalvula gloveri4 Newell and Boyd 1970 scallop
Gastropoda
 Prosobranchia - Goniasmatidae
Platyzona pagoda1 Batten 1989 snail
Platyzona cancellata n. sp.1 Batten 1989 snail
 Murchisoniina - Gosseletinidae
Apachella nodosa1 Batten 1989 snail
Apachella exaggerata1 Batten 1989 snail
Ananias ootomaria1 Batten 1989 snail
Polyplacophora
 Neoloricata - Lepidopleuridae
"Pterochiton arthurcooperi" = Schematochiton arthurcooperi6
"Pterochiton arthurcooperi" = Schematochiton arthurcooperi6 Smith 1976 chiton