PBDB Collection

USNM719x, Hess Canyon, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.4° N, 33.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: D. K. Brezinski. 1992. Permian trilobites from west Texas. Journal of Paleontology 66(6):924-943 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 102611: authorized by Matthew Clapham, entered by Matthew Clapham on 17.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Cephalopoda
Goniatitida - Marathonitidae	Pseudovidrioceras sp.¹ Pseudovidrioceras sp.¹ Ruzhencev 1936 ammonite
Gastropoda
Neritoina - Neritopsidae	Byzantia obliqua n. gen.² Byzantia obliqua n. gen.² Kosnik 1997 snail
Polyplacophora
Neoloricata - Lepidopleuridae	"Pterochiton arthurcooperi" = Schematochiton arthurcooperi⁵ "Pterochiton arthurcooperi" = Schematochiton arthurcooperi⁵ Smith 1976 chiton
Bivalvia
Pectinida - Pseudomonotidae	Prospondylus acinetus³ Prospondylus acinetus³ Newell and Boyd 1970 scallop
Pectinida - Deltopectinidae	Cyrtorostra varicostata⁴ Cyrtorostra varicostata⁴ Branson 1930 scallop
Pectinida - Annuliconchidae	Annuliconcha dentata⁴ Annuliconcha dentata⁴ Newell and Boyd 1995 scallop
Pectinida - Heteropectinidae	Girtypecten sublaqueatus⁴ Girtypecten sublaqueatus⁴ Girty 1908 scallop
Pectinida - Limipectinidae	Acanthopecten coloradoensis⁴ Acanthopecten coloradoensis⁴ Newberry 1861 scallop
Pectinida - Streblochondriidae	Eocamptonectes papillatus⁴ Eocamptonectes papillatus⁴ Girty 1908 scallop
Craniata
Craniida - Craniidae	Acanthocrania densispina¹ Acanthocrania densispina¹ Cooper and Grant 1974
Strophomenata
Orthotetida - Meekellidae	Meekella calathica¹ Meekella calathica¹ Cooper and Grant 1974
Orthotetida - Derbyiidae	Derbyia complicata¹, Derbyia laqueata¹, Derbyia cincinnata¹ Derbyia complicata¹ Cooper and Grant 1974 Derbyia laqueata¹ Cooper and Grant 1974 Derbyia cincinnata¹ Cooper and Grant 1974
Productida - Aulostegidae	Xenosteges magnus¹, Edriosteges multispinosus¹, Rhamnaria vinnula¹, Rhamnaria tenuispinosa¹ Xenosteges magnus¹ Cooper and Grant 1975 Edriosteges multispinosus¹ Muir-Wood and Cooper 1960 Rhamnaria vinnula¹ Cooper and Grant 1975 Rhamnaria tenuispinosa¹ Cooper and Grant 1975
Productida - Tschernyschewiidae	Tschernyschewia sp.¹ Tschernyschewia sp.¹
Productida - Hercosiidae	Hercosestria cribrosa¹ Hercosestria cribrosa¹ Cooper and Grant 1969
Productida - Cyclacanthariidae	Cyclacantharia paucispinosa¹ Cyclacantharia paucispinosa¹ Cooper and Grant 1975
Productida - Lyttoniidae	Eolyttonia chaotica¹ Eolyttonia chaotica¹ Cooper and Grant 1974
Productida - Productellidae	Echinauris sp.¹, Echinauris irregularis¹, Rugatia incurvata¹, Spinarella lobata¹, Spinarella paulula¹, "Kutorginella robusta" = Retaria robusta¹, "Kutorginella umbonata" = Retaria umbonata¹ Echinauris sp.¹ Muir-Wood and Cooper 1960 Echinauris irregularis¹ Cooper and Grant 1975 Rugatia incurvata¹ King 1931 Spinarella lobata¹ Cooper and Grant 1975 Spinarella paulula¹ Cooper and Grant 1975 "Kutorginella robusta" = Retaria robusta¹ Cooper and Grant 1975 "Kutorginella umbonata" = Retaria umbonata¹ Muir-Wood and Cooper 1960
Productida - Productidae	Peniculauris costata¹, Peniculauris transversa¹ Peniculauris costata¹ Cooper and Grant 1975 Peniculauris transversa¹ Cooper and Grant 1975
Productida - Linoproductidae	Holotricharina sparsa¹, Megousia auriculata¹ Holotricharina sparsa¹ Cooper and Grant 1975 Megousia auriculata¹ Muir-Wood and Cooper 1960
Productida - Paucispiniferidae	Paucispinifera sulcata¹ Paucispinifera sulcata¹ Cooper and Grant 1975
Rhynchonellata
Orthida - Schizophoriidae	Acosarina mesoplatys¹ Acosarina mesoplatys¹ King 1931
Athyridida - Athyrididae	Composita stalagmium¹, Composita crassa¹ Composita stalagmium¹ Cooper and Grant 1976 Composita crassa¹ Cooper and Grant 1976
Athyridida - Neoretziidae	Hustedia sp.¹, Hustedia connorsi¹, Hustedia pugilla¹, Hustedia cuneata¹, Hustedia consuta¹, Hustedia narinosa¹ Hustedia sp.¹ Hall and Clarke 1893 Hustedia connorsi¹ Cooper and Grant 1976 Hustedia pugilla¹ Cooper and Grant 1976 ssp. nasiterna Hustedia cuneata¹ Cooper and Grant 1976 Hustedia consuta¹ Cooper and Grant 1976 Hustedia narinosa¹ Cooper and Grant 1976
Terebratulida - Dielasmatidae	Dielasma ellipsoideum¹ Dielasma ellipsoideum¹ Cooper and Grant 1976
Terebratulida - Cryptonellidae	Texarina wordensis¹ Texarina wordensis¹ King 1931
Spiriferida - Elythidae	Neophricadothyris crassibecca¹, "Neophricadothyris bullata" = Permophricodothyris bullata¹ Neophricadothyris crassibecca¹ Cooper and Grant 1976 "Neophricadothyris bullata" = Permophricodothyris bullata¹ Cooper and Grant 1976
Spiriferida - Ambocoeliidae	"Crurithyris minutalis" = Cruricella minutalis¹ "Crurithyris minutalis" = Cruricella minutalis¹ Cooper and Grant 1976
Spiriferida - Trigonotretidae	Neospirifer bakeri¹, "Neospirifer thescelus" = Spiriferalaria thescelus¹ Neospirifer bakeri¹ King 1931 ssp. bakeri "Neospirifer thescelus" = Spiriferalaria thescelus¹ Cooper and Grant 1976
Rhynchonellida - Stenoscismatidae	Stenoscisma camurum¹, Stenoscisma triquetrum¹, Stenoscisma calvatum¹ Stenoscisma camurum¹ Cooper and Grant 1976 Stenoscisma triquetrum¹ Cooper and Grant 1976 Stenoscisma calvatum¹ Cooper and Grant 1976
Rhynchonellida - Pontisiidae	Pontisia stehlii¹, Anteridocus erugatus¹ Pontisia stehlii¹ Cooper and Grant 1969 ssp. stehlii (C) and tumidosa (R) Anteridocus erugatus¹ Cooper and Grant 1976
Rhynchonellida - Wellerellidae	Cenorhynchia saginata¹, Cenorhynchia atmeta¹, ? Cenorhynchia mitigata¹ Cenorhynchia saginata¹ Cooper and Grant 1976 Cenorhynchia atmeta¹ Cooper and Grant 1976 ? Cenorhynchia mitigata¹ Cooper and Grant 1976
Rhynchonellida - Petasmatheridae	Elassonia micraria¹ Elassonia micraria¹ Cooper and Grant 1976
Rhynchonellida - Rhynchoporidae	Rhynchopora hebetata¹ Rhynchopora hebetata¹ 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 sp.¹, Reticulariina craticula¹, Reticulariina venustula¹ Reticulariina sp.¹ Fredericks 1916 Reticulariina craticula¹ Cooper and Grant 1976 Reticulariina venustula¹ Cooper and Grant 1976
Trilobita
Proetida - Phillipsiidae	Delaria granti, Delaria brevis, Delaria antiqua Delaria granti Brezinski 1992 trilobite Delaria brevis Brezinski 1992 trilobite Delaria antiqua Girty 1908 trilobite

¹Cooper and Grant 1977; ²Kosnik 1997; ³Newell and Boyd 1970; ⁴Newell and Boyd 1995; ⁵Smith 1976