USNM704, Word Formation (Appel Ranch Member), Hess Canyon, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.4° N, 103.2° W: paleocoordinates 1.6° N, 33.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• Fourth Limestone Member of P.B. King.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, chemical,

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 43526: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• 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).
Show authors, comments, and common names
Strophomenata
 Orthotetida - Derbyiidae
Derbyia texta n. sp.1, Derbyia filosa n. sp.1
Derbyia texta n. sp.1 Cooper and Grant 1974
Derbyia filosa n. sp.1 Cooper and Grant 1974
 Orthotetida - Meekellidae
Meekella skenoides1
Meekella skenoides1 Girty 1908
 Productida - Productellidae
Costispinifera costata1, Echinauris lateralis1
Echinauris lateralis1 Muir-Wood and Cooper 1960
 Productida - Paucispiniferidae
Liosotella wordensis1, Liosotella irregularis n. sp.1, Paucispinifera auriculata1
Liosotella irregularis n. sp.1 Cooper and Grant 1975
Paucispinifera auriculata1 Muir-Wood and Cooper 1960
 Productida - Echinoconchidae
Waagenoconcha magnifica n. sp.1
Waagenoconcha magnifica n. sp.1 Cooper and Grant 1975
 Productida - Cyclacanthariidae
Cyclacantharia kingorum n. sp.1
Cyclacantharia kingorum n. sp.1 Cooper and Grant 1969
 Productida - Lyttoniidae
Eolyttonia progressa n. sp.1
Eolyttonia progressa n. sp.1 Cooper and Grant 1974
 Productida - Strophalosiidae
Heteralosia hystricula1
 Productida - Aulostegidae
Rhamnaria kingorum1
Rhamnaria kingorum1 Muir-Wood and Cooper 1960
 Strophomenida - Rugosochonetidae
Dyoros (Dyoros) extensus n. sp.1, Dyoros (Tetragonetes) quadrangulatus n. subgen. n. sp.1
Dyoros (Dyoros) extensus n. sp.1 Cooper and Grant 1975
Dyoros (Tetragonetes) quadrangulatus n. subgen. n. sp.1 Cooper and Grant 1975
Rhynchonellata
 Spiriferinida - Paraspiriferinidae
Paraspiriferina rotundata n. sp.1
Paraspiriferina rotundata n. sp.1 Cooper and Grant 1976
 Spiriferinida - Pennospiriferinidae
Arionthia germana n. gen. n. sp.1
Arionthia germana n. gen. n. sp.1 Cooper and Grant 1976
 Terebratulida - Dielasmatidae
Dielasma compactum n. sp.1
Dielasma compactum n. sp.1 Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Stenoscisma renode n. sp.1
Stenoscisma renode n. sp.1 Cooper and Grant 1976
 Rhynchonellida - Wellerellidae
Phrenophoria subcarinata n. sp.1
Phrenophoria subcarinata n. sp.1 Cooper and Grant 1969
 Rhynchonellida - Petasmatheridae
Petasmatherus opulus n. sp.1
Petasmatherus opulus n. sp.1 Cooper and Grant 1969
 Athyridida - Athyrididae
Composita enormis n. sp.1
Composita enormis n. sp.1 Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia pugilla n. sp.1
Hustedia pugilla n. sp.1 Cooper and Grant 1976
ssp. hebetata
Bivalvia
 Trigoniida - Schizodidae
Schizodus texanus2
Schizodus texanus2 Clifton 1942 clam
1Cooper and Grant 1977; 2Newell and Boyd 1975