USNM732j, Sierra del Norte, Glass Mountains (Permian of the United States)

Where: Texas (30.2° N, 103.4° W: paleocoordinates 1.4° N, 33.5° 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; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

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 106109: authorized by Matthew Clapham, entered by Matthew Clapham on 02.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• Bryozoan abundances recorded as abundant (a), common (c), uncommon (u), or rare (r) using categories centered approximately on 100, 15, 5, and 2 colonies per collection. Capital letters indicate species functioning as frame builder.
Cephalopoda
 Goniatitida - Agathiceratidae
Agathiceras uralicum1 Karpinsky 1874 ammonite
Bivalvia
 Pectinida - Heteropectinidae
Girtypecten sublaqueatus2 Girty 1908 scallop
Craniata
 Craniida - Craniidae
Lepidocrania sublamellosa1 Cooper and Grant 1974
Petrocrania sp.1 Raymond 1910
Rhynchonellata
 Rhynchonellida - Paranorellidae
Paranorella "sp. 5"1 Cloud 1944
 Rhynchonellida - Rhynchoporidae
Rhynchopora hebetata1 Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Stenoscisma sp.1 Conrad 1839
 Rhynchonellida - Pontisiidae
Pontisia truncata1 Cooper and Grant 1976
Anteridocus triangulatus1 Cooper and Grant 1976
 Rhynchonellida - Allorhynchidae
Allorhynchus concentricum1 Cooper and Grant 1976
 Rhynchonellida - Wellerellidae
Cenorhynchia transversa1 Cooper and Grant 1976
Tautosia angulata1 Cooper and Grant 1976
Phrenophoria sp.1 Cooper and Grant 1969
 Rhynchonellida - Petasmatheridae
Petasmatherus pumilus1 Cooper and Grant 1976
Ptygmactrum sp.1 Cooper and Grant 1976
 Spiriferida - Elythidae
"Neophricadothyris cordata" = Permophricodothyris cordata1
"Neophricadothyris cordata" = Permophricodothyris cordata1 Cooper and Grant 1976
 Spiriferida - Spiriferellidae
Spiriferella sp.1 Tschernyschew 1902
 Spiriferida - Trigonotretidae
Neospirifer bakeri1 King 1931
ssp. bakeri
 Athyridida - Athyrididae
Composita sp.1 Brown 1849
Composita pilula1 Cooper and Grant 1976
Composita cf. enormis1 Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia sp.1 Hall and Clarke 1893
Hustedia connorsi1 Cooper and Grant 1976
Thedusia mesocostata1 Cooper and Grant 1976
 Spiriferinida - Spiriferellinidae
Metriolepis sp.1 Cooper and Grant 1976
Metriolepis pinea1 Cooper and Grant 1976
Metriolepis ziczac1 Cooper and Grant 1976
Spiriferellina tricosa1 Cooper and Grant 1976
Spiriferellina vescula1 Cooper and Grant 1976
 Spiriferinida - Paraspiriferinidae
Paraspiriferina pulchra1 Cooper and Grant 1976
 Orthida - Enteletidae
Enteletes sp.1 Waldheim 1825
Enteletes exiguus1 Cooper and Grant 1976
 Orthida - Schizophoriidae
 Terebratulida - Dielasmatidae
Dielasma sp.1 King 1856
 Terebratulida - Notothyrididae
Notothyris planiplicata1 Cooper and Grant 1976
Notothyris gillilandensis1 Cooper and Grant 1976
Chondronia sp.1 Cooper and Grant 1976
 Terebratulida - Cryptonellidae
Heterelasma sp.1 Girty 1908
Texarina parallela1 Cooper and Grant 1976
Texarina wordensis1 King 1931
Strophomenata
 Strophomenida - Rugosochonetidae
Chonetinella gerontica1 Cooper and Grant 1975
Undulella matutina1 Cooper and Grant 1975
Leurosina lata1 Cooper and Grant 1975
Dyoros (Dyoros) transversus1 Cooper and Grant 1975
Dyoros (Dyoros) vulgaris1 Cooper and Grant 1975
 Productida - Cyclacanthariidae
Cyclacantharia transitoria1 Cooper and Grant 1975
Collumatus solitarius1 Cooper and Grant 1969
 Productida - Lyttoniidae
Collemataria batilliformis1 Cooper and Grant 1974
Coscinophora magnifica1 Cooper and Grant 1974
 Productida - Paucispiniferidae
Liosotella costata1 Cooper and Grant 1975
Liosotella rotunda1 Cooper and Grant 1975
Paucispinifera sulcata1 Cooper and Grant 1975
Paucispinifera parasulcata1 Cooper and Grant 1975
 Productida -
Rhytisia rugosa1 Cooper and Grant 1975
 Productida - Productellidae
Echinauris lappacea1 Cooper and Grant 1975
"Kutorginella umbonata" = Retaria umbonata1 Muir-Wood and Cooper 1960
 Productida - Productidae
Peniculauris sp.1 Muir-Wood and Cooper 1960
Yakovlevia sulcata1 Cooper and Grant 1975
Yakovlevia anterospinosa1 Cooper and Grant 1975
 Productida - Echinoconchidae
Waagenoconcha convexa1 Cooper and Grant 1975
 Productida - Linoproductidae
Megousia mucronata1 Cooper and Grant 1975
Holotricharina sparsa1 Cooper and Grant 1975
 Productida - Aulostegidae
Rhamnaria tenuispinosa1 Cooper and Grant 1975
Rhamnaria vinnula1 Cooper and Grant 1975
Echinosteges sp.1 Muir-Wood and Cooper 1960
Xenosteges trivialis1 Cooper and Grant 1975
 Productida - Cooperinidae
Cooperina subcuneata1 Cooper and Grant 1975
 Productida - Strophalosiidae
Heteralosia sp.1 King 1938
 Orthotetida - Derbyiidae
Derbyia sp.1 Waagen 1884
Derbyia complicata1 Cooper and Grant 1974
Derbyia cincinnata1 Cooper and Grant 1974
Derbyia laqueata1 Cooper and Grant 1974
 Orthotetida - Schuchertellidae
Tropidelasma corniculum1 Cooper and Grant 1974
 Orthotetida - Meekellidae
Meekella calathica1 Cooper and Grant 1974
Meekella skenoides1 Girty 1908
Stenolaemata
 Cystoporata - Fistuliporidae
? Fistulipora sp.3 McCoy 1850
 Trepostomida - Anisotrypidae
 Cryptostomida - Timanodictyidae
 Cryptostomata - Septoporidae
 Cryptostomata - Fenestellidae
Fenestella sp.3 Lonsdale 1839
 Cryptostomata - Acanthocladiidae
Synocladia "sp. 1"3 King 1849
Protoretepora cf. ampla3 Lonsdale 1844
"Protoretepora soyanensis" = Polypora soyanensis3 Morozova 1970