PBDB Collection

USNM703d, Old Word Ranch, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.4° N, 103.1° W)

• Paleocoordinates: 3.8° N, 31.8° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• Lower Road Canyon Formation, just above basal bioherms, nearly at same level as 703c.

• group of beds-level stratigraphic resolution

Environment/lithology: slope; carbonaceous limestone

• Road Canyon Formation records largely slope and basinal deposition.

• Thin-bedded bituminous limestones.

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 43518: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004

Creative Commons license: CC0 (CC0)

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

Bivalvia
Pectinida - Streblochondriidae	Eocamptonectes papillatus⁴, Streblopteria montpelierensis⁴ Eocamptonectes papillatus⁴ Girty 1909 scallop Streblopteria montpelierensis⁴ Girty 1910 scallop
Pectinida - Pseudomonotidae	Pseudomonotis (Trematiconcha) likharevi² Pseudomonotis (Trematiconcha) likharevi² Newell and Boyd 1970 scallop
Trigoniida - Schizodidae	Eoastarte subcircularis³ Eoastarte subcircularis³ Ciriacks 1963 clam
Gastropoda
Euomphalina - Anomphalidae	Diploconula biconvexa⁵ Diploconula biconvexa⁵ Yochelson 1956 snail
Rhynchonellata
Athyridida - Athyrididae	Composita sp.¹, Composita crassa¹ Composita sp.¹ Brown 1849 Composita crassa¹ Cooper and Grant 1976
Athyridida - Neoretziidae	Thedusia mesocostata¹, Hustedia sp.¹, Hustedia cuneata¹, Hustedia consuta¹ Thedusia mesocostata¹ Cooper and Grant 1976 Hustedia sp.¹ Hall and Clarke 1893 Hustedia cuneata¹ Cooper and Grant 1976 Hustedia consuta¹ Cooper and Grant 1976
Spiriferinida - Spiriferellinidae	Spiriferellina tricosa¹, Metriolepis tegulata¹ Spiriferellina tricosa¹ Cooper and Grant 1976 Metriolepis tegulata¹ Cooper and Grant 1976
Spiriferinida - Reticulariinidae	Reticulariina pristina¹ Reticulariina pristina¹ Cooper and Grant 1976
Terebratulida - Cryptonellidae	Heterelasma glansfagea¹ Heterelasma glansfagea¹ Cooper and Grant 1976
Terebratulida - Notothyrididae	Glossothyropsis superba¹ Glossothyropsis superba¹ Cooper and Grant 1976
Terebratulida - Dielasmatidae	Dielasma ellipsoideum¹ Dielasma ellipsoideum¹ Cooper and Grant 1976
Orthida - Schizophoriidae	Acosarina mesoplatys¹ Acosarina mesoplatys¹ King 1931
Rhynchonellida - Rhynchoporidae	Rhynchopora hebetata¹ Rhynchopora hebetata¹ Cooper and Grant 1976
Rhynchonellida - Stenoscismatidae	Stenoscisma camurum¹ Stenoscisma camurum¹ Cooper and Grant 1976
Rhynchonellida - Wellerellidae	Cenorhynchia saginata¹, ? Phrenophoria nudumbona¹, Phrenophoria ventricosa¹, Phrenophoria pentagonalis¹ Cenorhynchia saginata¹ Cooper and Grant 1976 ? Phrenophoria nudumbona¹ Cooper and Grant 1976 Phrenophoria ventricosa¹ Cooper and Grant 1976 Phrenophoria pentagonalis¹ Cooper and Grant 1976
Rhynchonellida - Petasmatheridae	Ptygmactrum extensum¹, Petasmatherus cf. opulus¹, Petasmatherus nitidus¹, Petasmatherus pumilus¹ Ptygmactrum extensum¹ Cooper and Grant 1976 Petasmatherus cf. opulus¹ Cooper and Grant 1969 Petasmatherus nitidus¹ Cooper and Grant 1976 Petasmatherus pumilus¹ Cooper and Grant 1976
Rhynchonellida - Allorhynchidae	Allorhynchus sp.¹ Allorhynchus sp.¹
Rhynchonellida - Pontisiidae	Pontisia stehlii stehlii¹ Pontisia stehlii stehlii¹ Cooper and Grant 1969
Spiriferida - Trigonotretidae	Neospirifer bakeri columbarius¹, Cartorhium sp.¹ Neospirifer bakeri columbarius¹ Cooper and Grant 1976 Cartorhium sp.¹ Cooper and Grant 1976
Spiriferida - Ambocoeliidae	"Crurithyris minutalis" = Cruricella minutalis¹ "Crurithyris minutalis" = Cruricella minutalis¹ Cooper and Grant 1976
Spiriferida - Elythidae	"Neophricadothyris cordata" = Permophricodothyris cordata¹ "Neophricadothyris cordata" = Permophricodothyris cordata¹ Cooper and Grant 1976
Strophomenata
Productida - Paucispiniferidae	Paucispinifera sulcata¹ Paucispinifera sulcata¹ Cooper and Grant 1975
Productida - Productellidae	Rugatia mckeei¹, Rugatia incurvata¹, Spinarella costellata¹, "Kutorginella umbonata" = Retaria umbonata¹, Echinauris sp.¹, Echinauris bella¹, Echinauris liumbona¹, Echinauris irregularis¹, Echinauris lappacea¹ Rugatia mckeei¹ Cooper and Grant 1975 Rugatia incurvata¹ King 1931 Spinarella costellata¹ Cooper and Grant 1975 "Kutorginella umbonata" = Retaria umbonata¹ Muir-Wood and Cooper 1960 Echinauris sp.¹ Muir-Wood and Cooper 1960 Echinauris bella¹ Cooper and Grant 1975 Echinauris liumbona¹ Cooper and Grant 1975 Echinauris irregularis¹ Cooper and Grant 1975 Echinauris lappacea¹ Cooper and Grant 1975
Productida - Productidae	Yakovlevia immatura¹, Peniculauris costata¹ Yakovlevia immatura¹ Cooper and Grant 1975 Peniculauris costata¹ Cooper and Grant 1975
Productida - Echinoconchidae	Waagenoconcha convexa¹, Ametoria residua¹ Waagenoconcha convexa¹ Cooper and Grant 1975 Ametoria residua¹ Cooper and Grant 1975
Productida - Linoproductidae	Holotricharina hirsuta¹, Megousia auriculata¹ Holotricharina hirsuta¹ Cooper and Grant 1975 Megousia auriculata¹ Muir-Wood and Cooper 1960
Productida - Aulostegidae	Rhamnaria tenuispinosa¹, Rhamnaria rectangulata¹, Edriosteges multispinosus¹ Rhamnaria tenuispinosa¹ Cooper and Grant 1975 Rhamnaria rectangulata¹ Cooper and Grant 1975 Edriosteges multispinosus¹ Muir-Wood and Cooper 1960
Productida - Cyclacanthariidae	Cyclacantharia paucispinosa¹ Cyclacantharia paucispinosa¹ Cooper and Grant 1975
Productida - Lyttoniidae	Eolyttonia chaotica¹ Eolyttonia chaotica¹ Cooper and Grant 1974
Strophomenida - Rugosochonetidae	Dyoros (Lissosia) parvus¹, Dyoros (Dyoros) transversus¹, Dyoros (Dyoros) extensus¹, Dyoros (Dyoros) angulatus¹, Dyoros (Tetragonetes) solidus¹, Dyoros (Tetragonetes) strigosus¹ Dyoros (Lissosia) parvus¹ Cooper and Grant 1975 Dyoros (Dyoros) transversus¹ Cooper and Grant 1975 Dyoros (Dyoros) extensus¹ Cooper and Grant 1975 Dyoros (Dyoros) angulatus¹ Cooper and Grant 1975 Dyoros (Tetragonetes) solidus¹ Cooper and Grant 1975 Dyoros (Tetragonetes) strigosus¹ Cooper and Grant 1975
Orthotetida - Meekellidae	Meekella sp.¹, Meekella calathica¹ Meekella sp.¹ Meekella calathica¹ Cooper and Grant 1974
Orthotetida - Derbyiidae	Derbyia "sp. 2"¹, Derbyia laqueata¹, Derbyia informis¹, Derbyia complicata¹, Derbyia filosa¹, Derbyia cincinnata¹ Derbyia "sp. 2"¹ Waagen 1884 Derbyia laqueata¹ Cooper and Grant 1974 Derbyia informis¹ Cooper and Grant 1974 Derbyia complicata¹ Cooper and Grant 1974 Derbyia filosa¹ Cooper and Grant 1974 Derbyia cincinnata¹ Cooper and Grant 1974

¹Cooper and Grant 1977; ²Newell and Boyd 1970; ³Newell and Boyd 1975; ⁴Newell and Boyd 1995; ⁵Yochelson 1956