PBDB Collection

USNM722e, Gilliland Canyon, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.3° W: paleocoordinates 1.4° N, 33.2° W)

• coordinate based on nearby landmark

• outcrop-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: D. K. Brezinski. 1992. Permian trilobites from west Texas. Journal of Paleontology 66(6):924-943 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 102603: authorized by Matthew Clapham, entered by Matthew Clapham on 17.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Craniata
Craniida - Craniidae	Acanthocrania densispina¹, Lepidocrania tardispinosa¹ Acanthocrania densispina¹ Cooper and Grant 1974 Lepidocrania tardispinosa¹ Cooper and Grant 1974
Rhynchonellata
Spiriferinida - Paraspiriferinidae	Paraspiriferina cellulana¹ Paraspiriferina cellulana¹ Cooper and Grant 1976
Spiriferinida - Spiriferellinidae	Metriolepis ziczac¹ Metriolepis ziczac¹ Cooper and Grant 1976
Terebratulida - Cryptonellidae	Texarina sp.¹ Texarina sp.¹ Cooper and Grant 1970
Terebratulida - Dielasmatidae	Dielasma bellulum¹, Dielasma labiatum¹ Dielasma bellulum¹ Cooper and Grant 1976 Dielasma labiatum¹ Cooper and Grant 1976
Terebratulida - Pseudodielasmatidae	Pseudodielasma sp.¹ Pseudodielasma sp.¹ Brill 1940
Orthida - Schizophoriidae	Acosarina mesoplatys¹ Acosarina mesoplatys¹ King 1931
Rhynchonellida - Stenoscismatidae	Stenoscisma bonum¹ Stenoscisma bonum¹ Cooper and Grant 1976
Rhynchonellida - Rhynchoporidae	Rhynchopora sphenoides¹ Rhynchopora sphenoides¹ 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
Spiriferida - Elythidae	Neophricadothyris crassibecca¹ Neophricadothyris crassibecca¹ Cooper and Grant 1976
Strophomenata
Orthotetida - Derbyiidae	Derbyia cincinnata¹ Derbyia cincinnata¹ Cooper and Grant 1974
Orthotetida - Schuchertellidae	Bothrostegium pusillum¹ Bothrostegium pusillum¹ Cooper and Grant 1974
Orthotetida - Meekellidae	Meekella calathica¹ Meekella calathica¹ Cooper and Grant 1974
Strophomenida - Rugosochonetidae	Dyoros (Dyoros) transversus¹, Chonetinetes angustisulcatus¹ Dyoros (Dyoros) transversus¹ Cooper and Grant 1975 Chonetinetes angustisulcatus¹ Cooper and Grant 1975
Productida - Echinoconchidae	Waagenoconcha convexa¹ Waagenoconcha convexa¹ Cooper and Grant 1975
Productida -	Simplicarina incompta¹, Rhytisia rugosa¹ Simplicarina incompta¹ Cooper and Grant 1975 Rhytisia rugosa¹ Cooper and Grant 1975
Productida - Paucispiniferidae	Paucispinifera sulcata¹ Paucispinifera sulcata¹ Cooper and Grant 1975
Productida - Linoproductidae	Megousia auriculata¹ Megousia auriculata¹ Muir-Wood and Cooper 1960
Productida - Productellidae	Echinauris sp.¹, Echinauris lappacea¹ Echinauris sp.¹ Muir-Wood and Cooper 1960 Echinauris lappacea¹ Cooper and Grant 1975
Productida - Productidae	Peniculauris costata¹, Yakovlevia sulcata¹ Peniculauris costata¹ Cooper and Grant 1975 Yakovlevia sulcata¹ Cooper and Grant 1975
Productida - Lyttoniidae	Coscinophora magnifica¹, Collemataria sp.¹, Collemataria batilliformis¹ Coscinophora magnifica¹ Cooper and Grant 1974 Collemataria sp.¹ Cooper and Grant 1974 Collemataria batilliformis¹ Cooper and Grant 1974
Productida - Cyclacanthariidae	Cyclacantharia transitoria¹ Cyclacantharia transitoria¹ Cooper and Grant 1975
Productida - Strophalosiidae	Heteralosia vidriensis¹ Heteralosia vidriensis¹ Cooper and Grant 1975
Productida - Aulostegidae	Rhamnaria vinnula¹, Edriosteges compactus¹, Xenosteges trivialis¹ Rhamnaria vinnula¹ Cooper and Grant 1975 Edriosteges compactus¹ Cooper and Grant 1975 Xenosteges trivialis¹ Cooper and Grant 1975
Productida - Cooperinidae	Cooperina subcuneata¹ Cooperina subcuneata¹ Cooper and Grant 1975
Bivalvia
Pectinida - Deltopectinidae	Cyrtorostra varicostata³ Cyrtorostra varicostata³ Branson 1930 scallop
Pectinida - Prospondylidae	Paleowaagia cooperi² Paleowaagia cooperi² Newell and Boyd 1970 scallop
Cephalopoda
Prolecanitida - Medlicottiidae	Eumedlicottia sp.¹ Eumedlicottia sp.¹ Spath 1934 ammonite
Trilobita
Proetida - Phillipsiidae	Delaria brevis Delaria brevis Brezinski 1992 trilobite

¹Cooper and Grant 1977; ²Newell and Boyd 1970; ³Newell and Boyd 1995