USNM710z, Road Canyon Formation, Hill 4910, Glass Mountains: Roadian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Orthotetida - Meekellidae
Meekella calathica Cooper and Grant 1974
Cooper and Grant 1977 VR category
Strophomenata - Productida - Linoproductidae
Holotricharina sparsa Cooper and Grant 1975
Cooper and Grant 1977 VR category
Megousia auriculata Muir-Wood and Cooper 1960
Cooper and Grant 1977 A category
Strophomenata - Productida - Echinoconchidae
Waagenoconcha platys Cooper and Grant 1975
Cooper and Grant 1977 R category
Strophomenata - Productida - Productellidae
Kutorginella sullivanensis (King 1931)
Cooper and Grant 1977 VR category
recombined as Retaria sullivanensis
Echinauris sp. Muir-Wood and Cooper 1960
Cooper and Grant 1977 VR category
Echinauris bella Cooper and Grant 1975
Cooper and Grant 1977 R category
Strophomenata - Productida - Aulostegidae
Rhamnaria vinnula Cooper and Grant 1975
Cooper and Grant 1977 VR category
Strophomenata - Strophomenida - Rugosochonetidae
Dyoros (Dyoros) angulatus Cooper and Grant 1975
Cooper and Grant 1977 R category
(1 measurement)
Dyoros (Dyoros) transversus Cooper and Grant 1975
Cooper and Grant 1977 R category
Rhynchonellata - Rhynchonellida - Rhynchoporidae
Rhynchopora sphenoides Cooper and Grant 1976
Cooper and Grant 1977 VR category
Rhynchonellata - Rhynchonellida - Stenoscismatidae
Stenoscisma camurum Cooper and Grant 1976
Cooper and Grant 1977 VR category
Rhynchonellata - Rhynchonellida - Petasmatheridae
Petasmatherus pumilus Cooper and Grant 1976
Cooper and Grant 1977 VR category
Rhynchonellata - Terebratulida - Cryptonellidae
Heterelasma glansfagea Cooper and Grant 1976
Cooper and Grant 1977 VR category
Rhynchonellata - Terebratulida - Dielasmatidae
Dielasma bellulum Cooper and Grant 1976
Cooper and Grant 1977 VR category
Rhynchonellata - Athyridida - Athyrididae
Composita crassa Cooper and Grant 1976
Cooper and Grant 1977 R category
Rhynchonellata - Athyridida - Neoretziidae
Hustedia connorsi Cooper and Grant 1976
Cooper and Grant 1977 R category
Rhynchonellata - Spiriferida - Elythidae
Neophricadothyris crassibecca Cooper and Grant 1976
Cooper and Grant 1977 VR category
Rhynchonellata - Spiriferida - Spiriferellidae
Spiriferella sp. (Tschernyschew 1902)
Cooper and Grant 1977 VR category
Rhynchonellata - Spiriferida - Trigonotretidae
Neospirifer bakeri (King 1931)
Cooper and Grant 1977 VR category
original and current combination Spirifer (Neospirifer) bakeri
ssp. bakeri
Rhynchonellata - Spiriferinida - Reticulariinidae
Reticulariina pristina Cooper and Grant 1976
Cooper and Grant 1977 VR category
Bivalvia - Pectinida - Deltopectinidae
Cyrtorostra varicostata Branson 1930
Newell and Boyd 1995
see common names

Geography
Country:United States State/province:Texas County:Brewster
Coordinates: 30.3° North, 103.3° West (view map)
Paleocoordinates:1.4° North, 33.3° West
Basis of coordinate:estimated from map
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:Road Canyon
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: "limestone"
Environment:slope
Geology comments: Road Canyon Formation records largely slope and basinal deposition.
Taphonomy
Modes of preservation:body,replaced with silica
Size of fossils:macrofossils
Collection methods and comments
Collection methods:bulk,chemical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Taxonomic list comments:A variety of papers list the brachiopods, nearly all gastropods, most bivalves (except primarily Paleotaxodonts), trilobites, chitons, siliceous sponges, rugose corals (only from Gaptank and Asselian/Sakmarian formations).
Metadata
Database number:44242
Authorizer:D. Bottjer, M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2004-09-06 15:00:10 Last modified:2004-09-06 18:00:10
Access level:the public Released:2004-09-06 15:00:10
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]