Where: Brewster County, Texas (30.4° N, 103.2° W: paleocoordinates 1.1° N, 33.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Road Canyon Formation, Kungurian (279.3 - 272.3 Ma)
• Represents bioherms usually occurring at base of Road Canyon Formation. Lower part of Road Canyon Formation contains conodont Mesogondolella idahoensis lamberti, indicating Kungurian age according to Henderson & Mei (2003).
• group of beds-level stratigraphic resolution
Environment/lithology: slope or ramp reef; 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 43495: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004, edited by Wolfgang Kiessling
Creative Commons license: CC BY (attribution)
Taxonomic list
Demospongiae | |
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Trilobita | |
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Gastropoda | |
Byzantia obliqua n. gen.7
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"Euconospira pulchra n. sp." = Spiroscala quasipulchra1
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Bivalvia | |
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Elversella rugosa n. gen.8
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Cephalopoda | |
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Craniata | |
Lepidocrania tardispinosa4 Cooper and Grant 1974
Acanthocrania densispina n. sp.4 Cooper and Grant 1974 | |
Rhynchonellata | |
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Hustedia ampullacea4 Cooper and Grant 1976
Hustedia narinosa4 Cooper and Grant 1976 | |
Composita stalagmium4 Cooper and Grant 1976 | |
Rhynchopora hebetata4 Cooper and Grant 1976
Rhynchopora sphenoides4 Cooper and Grant 1976 | |
Anteridocus erugatus4 Cooper and Grant 1976 | |
Cenorhynchia saginata4 Cooper and Grant 1976
Cenorhynchia atmeta4 Cooper and Grant 1976
Cenorhynchia parvula4 Cooper and Grant 1976
Cenorhynchia mitigata4 Cooper and Grant 1976 | |
Petasmatherus nitidus4 Cooper and Grant 1976
Elassonia micraria4 Cooper and Grant 1976 | |
Stenoscisma sp.4, Stenoscisma camurum4, Stenoscisma triquetrum4, Stenoscisma aptatum4, Stenoscisma calvatum4
Stenoscisma sp.4 Conrad 1839
Stenoscisma camurum4 Cooper and Grant 1976
Stenoscisma triquetrum4 Cooper and Grant 1976
Stenoscisma aptatum4 Cooper and Grant 1976
Stenoscisma calvatum4 Cooper and Grant 1976 | |
"Neospirifer thescelus" = Spiriferalaria thescelus4
"Neospirifer thescelus" = Spiriferalaria thescelus4 Cooper and Grant 1976 | |
"Crurithyris minutalis" = Cruricella minutalis4
"Crurithyris minutalis" = Cruricella minutalis4 Cooper and Grant 1976 | |
"Neophricadothyris bullata" = Permophricodothyris bullata4
"Neophricadothyris bullata" = Permophricodothyris bullata4 Cooper and Grant 1976 | |
Reticulariina venustula4 Cooper and Grant 1976
Reticulariina craticula4 Cooper and Grant 1976 | |
Metriolepis sp.4 Cooper and Grant 1976
Spiriferellina tricosa4 Cooper and Grant 1976 | |
Dielasma sp.4 King 1856
Dielasma ellipsoideum4 Cooper and Grant 1976 | |
Heterelasma glansfagea4 Cooper and Grant 1976
Texarina wordensis4 King 1931 | |
Chondronia ovalis4 Cooper and Grant 1976 | |
Strophomenata | |
Cyclacantharia paucispinosa4 Cooper and Grant 1975
? Acritosia vestibula4 Cooper and Grant 1975 | |
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Collemataria gregaria4 Cooper and Grant 1974
Eolyttonia chaotica4 Cooper and Grant 1974 | |
Chonosteges costellatus4, Edriosteges multispinosus4, Rhamnaria sp.4, Rhamnaria tenuispinosa4, Rhamnaria vinnula4
Chonosteges costellatus4 Cooper and Grant 1975
Edriosteges multispinosus4 Muir-Wood and Cooper 1960
Rhamnaria sp.4 Muir-Wood and Cooper 1960
Rhamnaria tenuispinosa4 Cooper and Grant 1975
Rhamnaria vinnula4 Cooper and Grant 1975 | |
Cooperina parva4 Cooper and Grant 1975
Cooperina subcuneata4 Cooper and Grant 1975 | |
Megousia auriculata4 Muir-Wood and Cooper 1960
Holotricharina hirsuta4 Cooper and Grant 1975 | |
Waagenoconcha platys4 Cooper and Grant 1975
Waagenoconcha convexa4 Cooper and Grant 1975 | |
"Kutorginella umbonata" = Retaria umbonata4, "Kutorginella sullivanensis" = Retaria sullivanensis4, Rugatia incurva4, Rugatia convexa4, Spinarella paulula4, Spinarella perfecta4, Echinauris irregularis4, Echinauris bella4, Echinauris crassa4
"Kutorginella umbonata" = Retaria umbonata4 Muir-Wood and Cooper 1960
"Kutorginella sullivanensis" = Retaria sullivanensis4 King 1931
Rugatia convexa4 Cooper and Grant 1975
Spinarella paulula4 Cooper and Grant 1975
Spinarella perfecta4 Cooper and Grant 1975
Echinauris irregularis4 Cooper and Grant 1975
Echinauris bella4 Cooper and Grant 1975
Echinauris crassa4 Cooper and Grant 1975 | |
Peniculauris peniculifera4 Cooper and Grant 1975
Peniculauris transversa4 Cooper and Grant 1975
Peniculauris subcostata4 King 1931 | |
Paucispinifera sulcata4 Cooper and Grant 1975 | |
Dyoros (Tetragonetes) rectangulatus4 Cooper and Grant 1975
Dyoros (Dyoros) extensiformis4 Cooper and Grant 1975 | |
Derbyia laqueata4 Cooper and Grant 1974
Derbyia cincinnata4 Cooper and Grant 1974
Derbyia informis4 Cooper and Grant 1974 | |
Meekella calathica4 Cooper and Grant 1974 |