PBDB Collection

USNM709c, Road Canyon Formation, Sullivan Ranch, Glass Mountains (Permian of the United States)

Also known as Reef 2486

Where: Brewster County, Texas (30.3° N, 103.3° W: paleocoordinates 1.4° N, 33.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Road Canyon Formation, Roadian (272.3 - 268.8 Ma)

• Base of Road Canyon Formation

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified 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 43598: authorized by David Bottjer, entered by Matthew Clapham on 15.08.2004

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

Rhynchonellata
Terebratulida - Notothyrididae	Chondronia ovalis¹ Chondronia ovalis¹ Cooper and Grant 1976
Spiriferinida - Spiriferellinidae	Spiriferellina tricosa¹ Spiriferellina tricosa¹ Cooper and Grant 1976
Athyridida - Neoretziidae	Hustedia consuta¹ Hustedia consuta¹ Cooper and Grant 1976
Athyridida - Athyrididae	Cleiothyridina nana¹, Composita crassa¹ Cleiothyridina nana¹ Cooper and Grant 1976 Composita crassa¹ Cooper and Grant 1976
Rhynchonellida - Pontisiidae	Anteridocus seminudus¹, Anteridocus erugatus¹ Anteridocus seminudus¹ Cooper and Grant 1976 Anteridocus erugatus¹ Cooper and Grant 1976
Rhynchonellida - Wellerellidae	Cenorhynchia atmeta¹ Cenorhynchia atmeta¹ Cooper and Grant 1976
Rhynchonellida - Petasmatheridae	Elassonia micraria¹ Elassonia micraria¹ Cooper and Grant 1976
Rhynchonellida - Stenoscismatidae	Stenoscisma sp.¹, Stenoscisma calvatum¹ Stenoscisma sp.¹ Conrad 1839 Stenoscisma calvatum¹ Cooper and Grant 1976
Spiriferida - Ambocoeliidae	"Crurithyris minutalis" = Cruricella minutalis¹ "Crurithyris minutalis" = Cruricella minutalis¹ Cooper and Grant 1976
Spiriferida - Trigonotretidae	"Neospirifer thescelus" = Spiriferalaria thescelus¹ "Neospirifer thescelus" = Spiriferalaria thescelus¹ Cooper and Grant 1976
Orthida - Schizophoriidae	Acosarina mesoplatys¹ Acosarina mesoplatys¹ King 1931
Strophomenata
Orthotetida - Derbyiidae	Derbyia cincinnata¹, Derbyia informis¹, Derbyia laqueata¹ Derbyia cincinnata¹ Cooper and Grant 1974 Derbyia informis¹ Cooper and Grant 1974 Derbyia laqueata¹ Cooper and Grant 1974
Orthotetida - Meekellidae	Meekella calathica¹ Meekella calathica¹ Cooper and Grant 1974
Productida - Lyttoniidae	Coscinophora magnifica¹ Coscinophora magnifica¹ Cooper and Grant 1974
Productida - Cyclacanthariidae	Taphrosestria peculiaris¹, ? Acritosia vestibula¹ Taphrosestria peculiaris¹ Cooper and Grant 1975 ? Acritosia vestibula¹ Cooper and Grant 1975
Productida - Productellidae	Echinauris lappacea¹, Echinauris irregularis¹ Echinauris lappacea¹ Cooper and Grant 1975 Echinauris irregularis¹ Cooper and Grant 1975
Productida - Linoproductidae	Megousia auriculata¹ Megousia auriculata¹ Muir-Wood and Cooper 1960
Productida - Aulostegidae	Edriosteges compactus¹, Rhamnaria tenuispinosa¹ Edriosteges compactus¹ Cooper and Grant 1975 Rhamnaria tenuispinosa¹ Cooper and Grant 1975
Polyplacophora
Neoloricata - Gryphochitonidae	Chauliochiton knighti n. gen.² Chauliochiton knighti n. gen.² Hoare and Smith 1984 chiton
Neoloricata - Lepidopleuridae	"Pterochiton arthurcooperi" = Schematochiton arthurcooperi³ "Pterochiton arthurcooperi" = Schematochiton arthurcooperi³ Smith 1976 chiton 2 Intermediate valves, 1 Tail valve

¹Cooper and Grant 1977; ²Hoare and Smith 1984; ³Smith 1976