USNM732c, Hess Canyon, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.6° N, 33.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Word Formation, Wordian (266.9 - 264.3 Ma)

• Lens just below Appel Ranch Member, but above 706b

• group of beds-level stratigraphic resolution

Environment/lithology: 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 106105: authorized by Matthew Clapham, entered by Matthew Clapham on 02.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Athyridida - Athyrididae
Composita enormis1 Cooper and Grant 1976
Composita parasulcata1 Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia sp.1 Hall and Clarke 1893
 Terebratulida - Dielasmatidae
Dielasma sp.1 King 1856
 Rhynchonellida - Allorhynchidae
Allorhynchus permianum1 Stehli 1955
ssp. wordense
 Rhynchonellida - Stenoscismatidae
Stenoscisma renode1 Cooper and Grant 1976
 Spiriferida - Trigonotretidae
Cartorhium chelomatum1 Cooper and Grant 1976
 Spiriferida - Spiriferellidae
Spiriferella clypeata1 Cooper and Grant 1976
 Spiriferida - Strophopleuridae
"Spiriferinaella scalpata" = Johncarteria scalpata1
"Spiriferinaella scalpata" = Johncarteria scalpata1 Cooper and Grant 1976
 Spiriferinida - Reticulariinidae
Reticulariina cerina1 Cooper and Grant 1976
 Spiriferinida - Pennospiriferinidae
Arionthia germana1 Cooper and Grant 1976
 Spiriferinida - Spiriferellinidae
 Spiriferinida - Paraspiriferinidae
Paraspiriferina rotundata1 Cooper and Grant 1976
Strophomenata
 Strophomenida - Rugosochonetidae
Dyoros (Dyoros) convexus1 Cooper and Grant 1975
 Productida - Cyclacanthariidae
Cyclacantharia kingorum1 Cooper and Grant 1969
 Productida - Lyttoniidae
Collemataria elongata1 Cooper and Grant 1974
Pseudoleptodus grandis1 Cooper and Grant 1974
 Productida - Aulostegidae
Rhamnaria kingorum1 Muir-Wood and Cooper 1960
Xenosteges quadratus1 Cooper and Grant 1975
 Productida - Strophalosiidae
 Productida - Paucispiniferidae
Paucispinifera quadrata1 Cooper and Grant 1975
Liosotella tetragonalis1 Cooper and Grant 1975
 Productida - Productellidae
Echinauris lateralis1 Muir-Wood and Cooper 1960
 Productida - Linoproductidae
Grandaurispina gibbosa1 Cooper and Grant 1975
 Orthotetida - Derbyiidae
Derbyia texta1 Cooper and Grant 1974
 Orthotetida - Schuchertellidae
Tropidelasma sp.1 Cooper and Grant 1969
 Orthotetida - Meekellidae
Meekella skenoides1 Girty 1908
Cephalopoda
 Goniatitida - Cyclolobidae
Waagenoceras sp.1 Gemmellaro 1887 ammonite
Bivalvia
 Pectinida - Permanomiidae
Permanomia texana2 Newell and Boyd 1970 scallop
 Pectinida - Deltopectinidae
Cyrtorostra varicostata3 Branson 1930 scallop
 Pectinida - Streblochondriidae
Eocamptonectes papillatus3 Girty 1908 scallop