USNM715i, Hill 4920, Glass Mountains: Roadian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferinida - Paraspiriferinidae
Cooper and Grant 1977 C category
Rhynchonellata - Spiriferinida - Reticulariinidae
Cooper and Grant 1977 C category
Rhynchonellata - Spiriferinida - Spiriferellinidae
Cooper and Grant 1977 R category
Cooper and Grant 1977 VR category
Cooper and Grant 1977 R category
(6 measurements)
Rhynchonellata - Terebratulida - Notothyrididae
Cooper and Grant 1977 C category
(2 measurements)
Rhynchonellata - Terebratulida - Cryptonellidae
Cooper and Grant 1977 R category
Cooper and Grant 1977 VR category
Rhynchonellata - Terebratulida - Dielasmatidae
Cooper and Grant 1977 R category
(3 measurements)
Dielasma sp. Beede and Rogers 1900
Cooper and Grant 1977 VR category
Cooper and Grant 1977 R category
Cooper and Grant 1977 R category
Rhynchonellata - Terebratulida - Pseudodielasmatidae
Cooper and Grant 1977 C category
Cooper and Grant 1977 C category
Cooper and Grant 1977 C category
(3 measurements)
Rhynchonellata - Athyridida - Neoretziidae
Cooper and Grant 1977 VR category
Cooper and Grant 1977 A category
(39 measurements)
Rhynchonellata - Athyridida - Athyrididae
Cooper and Grant 1977 R category
Cooper and Grant 1977 R category
Rhynchonellata - Rhynchonellida - Stenoscismatidae
Cooper and Grant 1977 VR category
Rhynchonellata - Rhynchonellida - Petasmariidae
Cooper and Grant 1977 C category
(3 measurements)
Rhynchonellata - Rhynchonellida - Allorhynchidae
Cooper and Grant 1977 VR category
Rhynchonellata - Rhynchonellida - Wellerellidae
Cooper and Grant 1977 C category
Cooper and Grant 1977 C category
Rhynchonellata - Rhynchonellida - Rhynchoporidae
Cooper and Grant 1977 R category
(3 measurements)
Rhynchonellata - Spiriferida - Elythidae
Cooper and Grant 1977 VR category
Rhynchonellata - Spiriferida - Strophopleuridae
Cooper and Grant 1977 VR category
(4 measurements)
Rhynchonellata - Spiriferida - Ambocoeliidae
Cooper and Grant 1977 C category
(3 measurements)
Rhynchonellata - Spiriferida - Spiriferellidae
Cooper and Grant 1977 VR category
Cooper and Grant 1977 R category
Cooper and Grant 1977 C category
(15 measurements)
Rhynchonellata - Spiriferida - Trigonotretidae
Cooper and Grant 1977 VR category
Cooper and Grant 1977 R category
Strophomenata - Orthotetida - Derbyiidae
Cooper and Grant 1977 R category
Cooper and Grant 1977 C category
Cooper and Grant 1977 C category
(1 measurement)
Strophomenata - Orthotetida - Schuchertellidae
Cooper and Grant 1977 VR category
Strophomenata - Orthotetida - Meekellidae
Cooper and Grant 1977 A category
Strophomenata - Strophomenida - Rugosochonetidae
Cooper and Grant 1977 VA category
(9 measurements)
Cooper and Grant 1977 VA category
(14 measurements)
Cooper and Grant 1977 VA category
(9 measurements)
Cooper and Grant 1977 R category
Strophomenata - Productida - Strophalosiidae
Cooper and Grant 1977 VR category
Strophomenata - Productida - Aulostegidae
Cooper and Grant 1977 C category
Cooper and Grant 1977 VR category
Cooper and Grant 1977 VR category
Cooper and Grant 1977 A category
Strophomenata - Productida - Monticuliferidae
Cooper and Grant 1977 VR category
(1 measurement)
Strophomenata - Productida - Linoproductidae
Cooper and Grant 1977 C category
Cooper and Grant 1977 C category
(10 measurements)
Cooper and Grant 1977 C category
(6 measurements)
Cooper and Grant 1977 VR category
Strophomenata - Productida - Paucispiniferidae
Paucispinifera auriculata Muir-Wood and Cooper 1960
Cooper and Grant 1977 R category
Cooper and Grant 1977 A category
(14 measurements)
Strophomenata - Productida - Productellidae
Cooper and Grant 1977 C category
(7 measurements)
Cooper and Grant 1977 R category
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
Cooper and Grant 1977 C category
(6 measurements)
Cooper and Grant 1977 VR category
Strophomenata - Productida - Echinoconchidae
Cooper and Grant 1977 C category
Strophomenata - Productida - Lyttoniidae
Cooper and Grant 1977 C category
(2 measurements)
Strophomenata - Productida - Cyclacanthariidae
Cooper and Grant 1977 C category
Craniata - Craniida - Craniidae
Cooper and Grant 1977 VR category
Bivalvia - Pectinida - Streblochondriidae
Newell and Boyd 1995
Bivalvia - Pectinida - Limipectinidae
Newell and Boyd 1995
see common names

Geography
Country:United States State/province:Texas
Coordinates: 30.4° North, 103.2° West (view map)
Paleocoordinates:3.9° North, 31.8° West (Wright 2013)
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: 274.4 - 266.9 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:2025-02-22 15:12:02
Access level:the public Released:2011-02-24 13:45:23
Creative Commons license:CC0
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]