USNM726z, Split Tank, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.1° N, 33.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Road Canyon Formation, Kungurian (279.3 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope or ramp reef; 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 105940: authorized by Matthew Clapham, entered by Matthew Clapham on 27.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Orthotetida - Meekellidae
Meekella calathica1 Cooper and Grant 1974
 Orthotetida - Derbyiidae
Derbyia laqueata1 Cooper and Grant 1974
Derbyia cincinnata1 Cooper and Grant 1974
 Productida - Productellidae
Echinauris irregularis1 Cooper and Grant 1975
 Productida - Productidae
 Productida - Paucispiniferidae
Paucispinifera sulcata1 Cooper and Grant 1975
 Productida - Linoproductidae
Holotricharina hirsuta1 Cooper and Grant 1975
Megousia auriculata1 Muir-Wood and Cooper 1960
 Productida - Aulostegidae
Rhamnaria tenuispinosa1 Cooper and Grant 1975
Edriosteges multispinosus1 Muir-Wood and Cooper 1960
 Productida - Cyclacanthariidae
Cyclacantharia paucispinosa1 Cooper and Grant 1975
 Productida - Hercosiidae
Hercosestria cribrosa1 Cooper and Grant 1969
 Productida - Lyttoniidae
Eolyttonia chaotica1 Cooper and Grant 1974
Rhynchonellata
 Spiriferida - Elythidae
"Neophricadothyris bullata" = Permophricodothyris bullata1
"Neophricadothyris bullata" = Permophricodothyris bullata1 Cooper and Grant 1976
 Spiriferida - Trigonotretidae
Neospirifer bakeri1 King 1931
ssp. bakeri
 Athyridida - Athyrididae
Composita quantilla1 Cooper and Grant 1976
Composita stalagmium1 Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia narinosa1 Cooper and Grant 1976
Hustedia cuneata1 Cooper and Grant 1976
 Rhynchonellida - Wellerellidae
Cenorhynchia saginata1 Cooper and Grant 1976
 Rhynchonellida - Pontisiidae
Pontisia sp.1 Cooper and Grant 1969
 Rhynchonellida - Stenoscismatidae
Stenoscisma camurum1 Cooper and Grant 1976
Stenoscisma calvatum1 Cooper and Grant 1976
Stenoscisma triquetrum1 Cooper and Grant 1976
 Rhynchonellida - Rhynchoporidae
Rhynchopora hebetata1 Cooper and Grant 1976
 Orthida - Schizophoriidae
 Terebratulida - Dielasmatidae
Dielasma ellipsoideum1 Cooper and Grant 1976
 Terebratulida - Notothyrididae
Chondronia ovalis1 Cooper and Grant 1976
 Spiriferinida - Spiriferellinidae
Metriolepis sp.1 Cooper and Grant 1976
 Spiriferinida - Reticulariinidae
Reticulariina craticula1 Cooper and Grant 1976
Craniata
 Craniida - Craniidae
Lepidocrania tardispinosa1 Cooper and Grant 1974
Polyplacophora
 Neoloricata - Lepidopleuridae
"Pterochiton arthurcooperi" = Schematochiton arthurcooperi6
"Pterochiton arthurcooperi" = Schematochiton arthurcooperi6 Smith 1976 chiton
 Neoloricata - Lekiskochitonidae
Lekiskochiton fornicis n. gen.2 Hoare and Smith 1984 chiton
Bivalvia
 Myalinida - Myalinidae
Myalina lamellosa3 McRoberts and Newell 2005 clam
 Pectinida - Permanomiidae
Permanomia texana4 Newell and Boyd 1970 scallop
 Pectinida - Heteropectinidae
Girtypecten sublaqueatus5 Girty 1909 scallop
 Pectinida - Streblochondriidae
Eocamptonectes papillatus5 Girty 1909 scallop
Streblopteria montpelierensis5 Girty 1910 scallop
 Pectinida - Deltopectinidae
Cyrtorostra varicostata5 Branson 1930 scallop