USNM715i, Hill 4920, Glass Mountains: Roadian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Pectinida - Limipectinidae
Acanthopecten coloradoensis (Newberry 1861)
Newell and Boyd 1995
Bivalvia - Pectinida - Streblochondriidae
Streblopteria montpelierensis (Girty 1910)
Newell and Boyd 1995
original and current combination Aviculipecten montpelierensis
Craniata - Craniida - Craniidae
Lepidocrania sublamellosa Cooper and Grant 1974
Cooper and Grant 1977 VR category
Strophomenata - Strophomenida - Rugosochonetidae
Dyoros (Tetragonetes) quadrangulatus Cooper and Grant 1975
Cooper and Grant 1977 VA category
(14 measurements)
Dyoros (Dyoros) extensus Cooper and Grant 1975
Cooper and Grant 1977 VA category
(9 measurements)
Leurosina marginata Cooper and Grant 1975
Cooper and Grant 1977 VA category
(9 measurements)
Leurosina lata Cooper and Grant 1975
Cooper and Grant 1977 R category
Strophomenata - Orthotetida - Derbyiidae
Derbyia texta Cooper and Grant 1974
Cooper and Grant 1977 C category
(1 measurement)
Derbyia pannucia Cooper and Grant 1974
Cooper and Grant 1977 C category
Derbyia filosa Cooper and Grant 1974
Cooper and Grant 1977 R category
Strophomenata - Orthotetida - Schuchertellidae
Tropidelasma anthicum Cooper and Grant 1974
Cooper and Grant 1977 VR category
Strophomenata - Orthotetida - Meekellidae
Meekella skenoides Girty 1908
Cooper and Grant 1977 A category
Strophomenata - Productida - Linoproductidae
Grandaurispina crassa Cooper and Grant 1975
Cooper and Grant 1977 C category
(10 measurements)
Grandaurispina rara Cooper and Grant 1975
Cooper and Grant 1977 C category
(6 measurements)
Cancrinella subquadrata Cooper and Grant 1975
Cooper and Grant 1977 VR category
Megousia definita Cooper and Grant 1975
Cooper and Grant 1977 C category
Strophomenata - Productida - Monticuliferidae
Cancrinella distorta Cooper and Grant 1975
Cooper and Grant 1977 VR category
recombined as Costatumulus distortus
(1 measurement)
Strophomenata - Productida - Paucispiniferidae
Liosotella irregularis Cooper and Grant 1975
Cooper and Grant 1977 A category
(14 measurements)
Paucispinifera auriculata Muir-Wood and Cooper 1960
Cooper and Grant 1977 R category
Strophomenata - Productida - Echinoconchidae
Waagenoconcha magnifica Cooper and Grant 1975
Cooper and Grant 1977 C category
Strophomenata - Productida - Productellidae
Thamnosia phragmophora Cooper and Grant 1975
Cooper and Grant 1977 R category
Bothrionia transversa Cooper and Grant 1975
Cooper and Grant 1977 C category
(7 measurements)
Echinauris sp. Muir-Wood and Cooper 1960
Cooper and Grant 1977 C category
Echinauris lateralis Muir-Wood and Cooper 1960
Cooper and Grant 1977 VR category
Strophomenata - Productida - Productidae
Kochiproductus sp. Dunbar 1955
Cooper and Grant 1977 VR category
Yakovlevia indentata Cooper and Grant 1975
Cooper and Grant 1977 C category
(6 measurements)
Strophomenata - Productida - Strophalosiidae
Heteralosia hystricula (Girty 1908)
Cooper and Grant 1977 VR category
Strophomenata - Productida - Aulostegidae
Rhamnaria kingorum Muir-Wood and Cooper 1960
Cooper and Grant 1977 C category
Xenosteges quadratus Cooper and Grant 1975
Cooper and Grant 1977 VR category
Ctenalosia sp. Cooper and Stehli 1955
Cooper and Grant 1977 VR category
Ctenalosia fixata Cooper and Stehli 1955
Cooper and Grant 1977 A category
Strophomenata - Productida - Lyttoniidae
Eolyttonia progressa Cooper and Grant 1974
Cooper and Grant 1977 C category
(2 measurements)
Strophomenata - Productida - Cyclacanthariidae
Cyclacantharia kingorum Cooper and Grant 1969
Cooper and Grant 1977 C category
Rhynchonellata - Athyridida - Neoretziidae
Thedusia procera Cooper and Grant 1976
Cooper and Grant 1977 VR category
Hustedia pugilla Cooper and Grant 1976
Cooper and Grant 1977 A category
ssp. hebetata (39 measurements)
Rhynchonellata - Athyridida - Athyrididae
Composita parasulcata Cooper and Grant 1976
Cooper and Grant 1977 R category
Composita enormis Cooper and Grant 1976
Cooper and Grant 1977 R category
Rhynchonellata - Spiriferinida - Reticulariinidae
Reticulariina cerina Cooper and Grant 1976
Cooper and Grant 1977 C category
Rhynchonellata - Spiriferinida - Spiriferellinidae
Metriolepis pulvinata Cooper and Grant 1976
Cooper and Grant 1977 R category
Spiriferellina hilli (Girty 1908)
Cooper and Grant 1977 VR category
Spiriferellina paucicostata Cooper and Grant 1976
Cooper and Grant 1977 R category
(6 measurements)
Rhynchonellata - Spiriferinida - Paraspiriferinidae
Paraspiriferina rotundata Cooper and Grant 1976
Cooper and Grant 1977 C category
Rhynchonellata - Spiriferida - Elythidae
Neophricadothyris conara Cooper and Grant 1976
Cooper and Grant 1977 VR category
Rhynchonellata - Spiriferida - Spiriferellidae
Spiriferella sp. (Tschernyschew 1902)
Cooper and Grant 1977 VR category
Spiriferella clypeata Cooper and Grant 1976
Cooper and Grant 1977 C category
(15 measurements)
Spiriferella gravis Cooper and Grant 1976
Cooper and Grant 1977 R category
Rhynchonellata - Spiriferida - Trigonotretidae
Cartorhium orbiculatum Cooper and Grant 1976
Cooper and Grant 1977 VR category
Cartorhium retusum Cooper and Grant 1976
Cooper and Grant 1977 R category
Rhynchonellata - Spiriferida - Ambocoeliidae
Crurithyris major Cooper and Grant 1976
Cooper and Grant 1977 C category
(3 measurements)
Rhynchonellata - Spiriferida - Strophopleuridae
Spiriferinaella scalpata Cooper and Grant 1976
Cooper and Grant 1977 VR category
recombined as Johncarteria scalpata
(4 measurements)
Rhynchonellata - Rhynchonellida - Wellerellidae
Phrenophoria subcarinata Cooper and Grant 1969
Cooper and Grant 1977 C category
Wellerella girtyi Cooper and Grant 1976
Cooper and Grant 1977 C category
ssp. girtyi
Rhynchonellata - Rhynchonellida - Allorhynchidae
Allorhynchus permianum (Stehli 1955)
Cooper and Grant 1977 VR category
ssp. wordense
Rhynchonellata - Rhynchonellida - Petasmariidae
Leiorhynchoidea scelesta Cooper and Grant 1976
Cooper and Grant 1977 C category
(3 measurements)
Rhynchonellata - Rhynchonellida - Rhynchoporidae
Rhynchopora tenera Cooper and Grant 1976
Cooper and Grant 1977 R category
(3 measurements)
Rhynchonellata - Rhynchonellida - Stenoscismatidae
Stenoscisma renode Cooper and Grant 1976
Cooper and Grant 1977 VR category
Rhynchonellata - Terebratulida - Notothyrididae
Glossothyropsis rectangulata Cooper and Grant 1976
Cooper and Grant 1977 C category
(2 measurements)
Rhynchonellata - Terebratulida - Cryptonellidae
Heterelasma concavum Cooper and Grant 1976
Cooper and Grant 1977 VR category
Texarina elongata Cooper and Grant 1976
Cooper and Grant 1977 R category
Rhynchonellata - Terebratulida - Pseudodielasmatidae
Pseudodielasma sp. Brill 1940
Cooper and Grant 1977 C category
Pseudodielasma globulum Cooper and Grant 1976
Cooper and Grant 1977 C category
(3 measurements)
Pseudodielasma ovatum Cooper and Grant 1976
Cooper and Grant 1977 C category
Rhynchonellata - Terebratulida - Dielasmatidae
Plectelasma dubium Cooper and Grant 1976
Cooper and Grant 1977 R category
(3 measurements)
Dielasma sp. King 1856
Cooper and Grant 1977 VR category
Dielasma compactum Cooper and Grant 1976
Cooper and Grant 1977 R category
Dielasma zebratum Cooper and Grant 1976
Cooper and Grant 1977 R category
see common names

Geography
Country:United States State/province:Texas
Coordinates: 30.4° North, 103.2° West (view map)
Paleocoordinates:1.4° North, 33.2° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Permian Epoch:Guadalupian
Stage:Roadian 10 m.y. bin:Permian 3
Key time interval:Roadian
Age range of interval:273.01000 - 266.90000 m.y. ago
Stratigraphy
Formation:Word Member:Appel Ranch
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified "limestone"
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body,replaced with silica
Size of fossils:macrofossils
Collection methods and comments
Collection methods:chemical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Metadata
Database number:105726
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2011-02-24 13:45:23 Last modified:2013-11-25 13:02:06
Access level:the public Released:2011-02-24 13:45:23
Creative Commons license:CC BY
Reference information

Primary reference:

11454. 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]

Secondary references:

11407 G. A. Cooper and R. E. Grant. 1977. Permian Brachiopods of West Texas, VI. Smithsonian Contributions to Paleobiology 32:3161-3370 [T. Olszewski/K. Tracy/M. Clapham]
11472 N. D. Newell and D.W. Boyd. 1995. Pectinoid bivalves of the Permian-Triassic crisis. Bulletin of the American Museum of Natural History 227:1-95 [D. Bottjer/M. Clapham/M. Clapham]