Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.4° N, 33.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Willis Ranch Member (Word Formation), Roadian (272.3 - 268.8 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified limestone
Size class: macrofossils
Preservation: replaced with silica
Reposited in the AMNH
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 81645: authorized by Matthew Clapham, entered by Matthew Clapham on 06.07.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
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Rhynchonellata | |
Spiriferella calcarata3 Cooper and Grant 1976 | |
Rhynchopora palumbula3 Cooper and Grant 1976 | |
Wellerella girtyi girtyi3 Cooper and Grant 1976
Phrenophoria subcarinata3 Cooper and Grant 1969 | |
Allorhynchus triangulatum3 Cooper and Grant 1976
Allorhynchus permianum wordense3 Cooper and Grant 1976 | |
Dielasma adamanteum3 Cooper and Grant 1976
Dielasma zebratum3 Cooper and Grant 1976 | |
Glossothyropsis rectangulata3 Cooper and Grant 1976 | |
Heterelasma concavum3 Cooper and Grant 1976 | |
Spiriferellina hilli3 Girty 1909 | |
Paraspiriferina setulosa3 Cooper and Grant 1976 | |
Composita enormis3 Cooper and Grant 1976 | |
Hustedia pugilla pugilla3 Cooper and Grant 1976
Thedusia procera3 Cooper and Grant 1976 | |
Strophomenata | |
Meekella skenoides3 Girty 1909 | |
Derbyia filosa3 Cooper and Grant 1974
Derbyia texta3 Cooper and Grant 1974 | |
Xenosteges quadratus3 Cooper and Grant 1975
Echinosteges tuberculatus3 King 1931
Cactosteges anomalus3 Cooper and Grant 1975
Rhamnaria kingorum3 Muir-Wood and Cooper 1960 | |
Cooperina inexpectata3 Termier et al. 1966 | |
Heteralosia hystricula3 Girty 1909 | |
Yakovlevia hessorum3 Cooper and Grant 1975 | |
Echinauris lateralis3 Muir-Wood and Cooper 1960 | |
Megousia definita3 Cooper and Grant 1975
Cancrinella subquadrata3 Cooper and Grant 1975
Grandaurispina kingorum3 Muir-Wood and Cooper 1960 | |
Paucispinifera auriculata3 Muir-Wood and Cooper 1960
Liosotella wordensis3 King 1931 | |
Waagenoconcha magnifica3 Cooper and Grant 1975 | |
Collemataria elongata3 Cooper and Grant 1974 | |
Cyclacantharia kingorum3 Cooper and Grant 1969 | |
Undulella undulata3 Cooper and Grant 1969
Dyoros (Lissosia) concavus3 Cooper and Grant 1975
Dyoros (Dyoros) extensus3 Cooper and Grant 1975 | |
Craniata | |
Lepidocrania sublamellosa3 Cooper and Grant 1974 | |
Gastropoda | |
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Bivalvia | |
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Hexactinellida | |
Carphites plectus n. gen.4
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