USNM736x, Dugout Mountain, Glass Mountains (Permian of the United States)

Where: Texas (30.2° N, 103.4° W: paleocoordinates 1.4° N, 33.5° 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: 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 102621: authorized by Matthew Clapham, entered by Matthew Clapham on 17.01.2011

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.
Trilobita
 Proetida - Phillipsiidae
Delaria granti1 Brezinski 1992 trilobite
Rhynchonellata
 Spiriferida - Trigonotretidae
Neospirifer bakeri2 King 1931
ssp. bakeri
 Spiriferida - Spiriferellidae
Spiriferella sp.2 Tschernyschew 1902
 Spiriferida - Elythidae
"Neophricadothyris cordata" = Permophricodothyris cordata2
"Neophricadothyris cordata" = Permophricodothyris cordata2 Cooper and Grant 1976
 Rhynchonellida - Rhynchoporidae
Rhynchopora hebetata2 Cooper and Grant 1976
 Rhynchonellida - Petasmatheridae
Petasmatherus pumilus2 Cooper and Grant 1976
Petasmatherus nitidus2 Cooper and Grant 1976
 Terebratulida - Dielasmatidae
Dielasma sp.2 King 1856
 Terebratulida - Notothyrididae
Chondronia ovalis2 Cooper and Grant 1976
Notothyris planiplicata2 Cooper and Grant 1976
Notothyris gillilandensis2 Cooper and Grant 1976
 Terebratulida - Cryptonellidae
Texarina parallela2 Cooper and Grant 1976
Heterelasma sp.2 Girty 1909
 Orthida - Enteletidae
Enteletes sp.2 Waldheim 1825
Enteletes exiguus2 Cooper and Grant 1976
 Spiriferinida - Spiriferellinidae
Metriolepis sp.2 Cooper and Grant 1976
Metriolepis ziczac2 Cooper and Grant 1976
Spiriferellina vescula2 Cooper and Grant 1976
 Spiriferinida - Paraspiriferinidae
Paraspiriferina pulchra2 Cooper and Grant 1976
 Athyridida - Athyrididae
Composita pilula2 Cooper and Grant 1976
Composita cf. enormis2 Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia connorsi2 Cooper and Grant 1976
Thedusia mesocostata2 Cooper and Grant 1976
Strophomenata
 Orthotetida - Schuchertellidae
Tropidelasma corniculum2 Cooper and Grant 1974
 Orthotetida - Meekellidae
Meekella calathica2 Cooper and Grant 1974
 Orthotetida - Derbyiidae
Derbyia sp.2 Waagen 1884
Derbyia laqueata2 Cooper and Grant 1974
Derbyia complicata2 Cooper and Grant 1974
Derbyia cincinnata2 Cooper and Grant 1974
 Productida - Aulostegidae
Xenosteges trivialis2 Cooper and Grant 1975
Rhamnaria tenuispinosa2 Cooper and Grant 1975
 Productida - Cooperinidae
Cooperina subcuneata2 Cooper and Grant 1975
 Productida - Productidae
Yakovlevia sulcata2 Cooper and Grant 1975
 Productida - Productellidae
Echinauris lappacea2, "Kutorginella umbonata" = Retaria umbonata2
Echinauris lappacea2 Cooper and Grant 1975
"Kutorginella umbonata" = Retaria umbonata2 Muir-Wood and Cooper 1960
 Productida - Linoproductidae
Megousia mucronata2 Cooper and Grant 1975
Holotricharina sparsa2 Cooper and Grant 1975
 Productida -
Rhytisia rugosa2 Cooper and Grant 1975
 Productida - Paucispiniferidae
Paucispinifera sulcata2 Cooper and Grant 1975
Paucispinifera parasulcata2 Cooper and Grant 1975
Liosotella cf. costata2 Cooper and Grant 1975
Liosotella rotunda2 Cooper and Grant 1975
 Productida - Lyttoniidae
Petasmaia "sp. 1"2 Cooper and Grant 1969
 Productida - Cyclacanthariidae
Collumatus solitarius2 Cooper and Grant 1969
Cyclacantharia transitoria2 Cooper and Grant 1975
 Strophomenida - Rugosochonetidae
Undulella matutina2 Cooper and Grant 1975
Dyoros (Dyoros) vulgaris2 Cooper and Grant 1975
Leurosina lata2 Cooper and Grant 1975
Craniata
 Craniida - Craniidae
Lepidocrania tardispinosa2 Cooper and Grant 1974
Stenolaemata
 Cryptostomida - Timanodictyidae
 Trepostomida - Anisotrypidae
 Cryptostomata - Acanthocladiidae
 Cryptostomata - Septoporidae
Septopora orientalis3 Bassler 1929
 Cryptostomata - Fenestellidae
Fenestella firmior3 Ceretti 1963
 Rhabdomesida - Rhabdomesidae