PBDB Collection

USNM726u, Old Word Ranch, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.1° W: paleocoordinates 1.1° N, 33.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cathedral Mountain Formation, Kungurian (279.3 - 272.3 Ma)

• Upper part

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: replaced with silica

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 105935: authorized by Matthew Clapham, entered by Matthew Clapham on 27.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Craniata
Craniida - Craniidae	Acanthocrania sp.¹ Acanthocrania sp.¹ Williams 1943
Rhynchonellata
Athyridida - Athyrididae	Composita sp.¹, Composita imbricata¹ Composita sp.¹ Brown 1849 Composita imbricata¹ Cooper and Grant 1976
Athyridida - Neoretziidae	Hustedia lusca¹, Hustedia spicata¹ Hustedia lusca¹ Cooper and Grant 1976 Hustedia spicata¹ Cooper and Grant 1976
Rhynchonellida - Stenoscismatidae	Stenoscisma sp.¹, Stenoscisma triquetrum¹ Stenoscisma sp.¹ Conrad 1839 Stenoscisma triquetrum¹ Cooper and Grant 1976
Rhynchonellida - Pontisiidae	Pontisia stehlii¹ Pontisia stehlii¹ Cooper and Grant 1969 ssp. stehlii (VR) and tumidosa (R)
Terebratulida - Cryptonellidae	Heterelasma sp.¹ Heterelasma sp.¹ Girty 1909
Terebratulida - Dielasmatidae	Dielasma sp.¹ Dielasma sp.¹ King 1856
Orthida - Schizophoriidae	Acosarina mesoplatys¹ Acosarina mesoplatys¹ King 1931
Spiriferida - Trigonotretidae	Lepidospirifer demissus¹, Neospirifer mansuetus¹ Lepidospirifer demissus¹ Cooper and Grant 1976 Neospirifer mansuetus¹ Cooper and Grant 1976
Spiriferida - Elythidae	"Neophricadothyris sp." = Phricodothyris¹, "Neophricadothyris bullata" = Permophricodothyris bullata¹ "Neophricadothyris sp." = Phricodothyris¹ George 1932 "Neophricadothyris bullata" = Permophricodothyris bullata¹ Cooper and Grant 1976
Spiriferinida - Spiriferellinidae	Metriolepis tegulata¹ Metriolepis tegulata¹ Cooper and Grant 1976
Strophomenata
Productida - Lyttoniidae	Choanodus irregularis¹, Choanodus perfectus¹, Eolyttonia circularis¹, Collemataria gregaria¹, Petasmaia expansa¹ Choanodus irregularis¹ Cooper and Grant 1974 Choanodus perfectus¹ Cooper and Grant 1974 Eolyttonia circularis¹ Cooper and Grant 1974 Collemataria gregaria¹ Cooper and Grant 1974 Petasmaia expansa¹ Cooper and Grant 1969
Productida - Hercosiidae	Hercosia uddeni¹ Hercosia uddeni¹ Bose 1916
Productida - Monticuliferidae	Compressoproductus flabellatus¹ Compressoproductus flabellatus¹ Cooper and Grant 1975
Productida - Linoproductidae	Megousia auriculata¹, Megousia umbonata¹ Megousia auriculata¹ Muir-Wood and Cooper 1960 Megousia umbonata¹ Cooper and Grant 1975
Productida - Productellidae	Nudauris linospina¹, Rugatia paraindica¹, Echinauris circularis¹, Echinauris irregularis¹ Nudauris linospina¹ Cooper and Grant 1975 Rugatia paraindica¹ McKee 1938 Echinauris circularis¹ Cooper and Grant 1975 Echinauris irregularis¹ Cooper and Grant 1975
Productida - Productidae	Peniculauris subcostata¹ Peniculauris subcostata¹ King 1931
Productida - Aulostegidae	Chonosteges pulcher¹, Chonosteges variabilis¹, Chonosteges costellatus¹, Edriosteges multispinosus¹, Xenosteges adherens¹, Rhamnaria tenuispinosa¹ Chonosteges pulcher¹ Cooper and Grant 1975 Chonosteges variabilis¹ Cooper and Grant 1975 Chonosteges costellatus¹ Cooper and Grant 1975 Edriosteges multispinosus¹ Muir-Wood and Cooper 1960 Xenosteges adherens¹ Muir-Wood and Cooper 1960 Rhamnaria tenuispinosa¹ Cooper and Grant 1975
Strophomenida - Rugosochonetidae	Dyoros (Tetragonetes) giganteus¹, Dyoros (Lissosia) vagabundus¹ Dyoros (Tetragonetes) giganteus¹ Cooper and Grant 1975 Dyoros (Lissosia) vagabundus¹ Cooper and Grant 1975
Orthotetida - Meekellidae	Meekella sp.¹, Meekella calathica¹ Meekella sp.¹ Meekella calathica¹ Cooper and Grant 1974
Orthotetida - Derbyiidae	Derbyia complicata¹, Derbyia laqueata¹, Derbyia cincinnata¹, Derbyia informis¹ Derbyia complicata¹ Cooper and Grant 1974 Derbyia laqueata¹ Cooper and Grant 1974 Derbyia cincinnata¹ Cooper and Grant 1974 Derbyia informis¹ Cooper and Grant 1974
Bivalvia
Pectinida - Deltopectinidae	Cyrtorostra varicostata³ Cyrtorostra varicostata³ Branson 1930 scallop
Pectinida - Pseudomonotidae	Prospondylus acinetus² Prospondylus acinetus² Newell and Boyd 1970 scallop

¹Cooper and Grant 1977; ²Newell and Boyd 1970; ³Newell and Boyd 1995