Where: Texas (33.8° N, 99.1° W: paleocoordinates 0.6° N, 30.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Grape Creek Member (Clyde Formation), Artinskian (290.1 - 279.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; lithified siliciclastic sediments
Size class: macrofossils
Collected by W.F. Cummins, C.A. White in 1887, 1888; reposited in the USNM
Primary reference: C. A. White. 1889. On the Permian formation of Texas. The American Naturalist 23(266):109-128 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 108766: authorized by Matthew Clapham, entered by Matthew Clapham on 04.05.2011, edited by Emma Dunne and Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Osteichthyes | |
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"Clepsydrops limbatus" = Dimetrodon limbatus1, "Dimetrodon semiradicatus" = Dimetrodon limbatus1, "Clepsydrops natalis" = Dimetrodon natalis1
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Reptilia | |
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Osteichthyes | |
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"Empedias molaris" = Diadectes molaris1, "Diadectes latibuccatus" = Diadectes sideropelicus1, "Diadectes phaseolinus" = Diadectes sideropelicus1
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Amphibia | |
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Polychaeta | |
"Spirorbis" sp.3 Daudin 1800 | |
Bivalvia | |
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Cephalopoda | |
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Stearoceras militarium n. sp.2, Stearoceras conchiferum2, Stearoceras simplex n. sp.2, Stenopoceras whitei2
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Temnocheilus sp.2 M'Coy 1844 nautiloid Nautilus (Temnocheilus) winslowi (partim - fig 1-4) in White, 1891
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"Orthoceras ? rushensis" = Pseudorthoceras knoxense3
"Orthoceras ? rushensis" = Pseudorthoceras knoxense3 McChesney 1859 | |
Medlicottia copei n. sp.
Medlicottia copei n. sp. White 1889 ammonite | |
"Goniatites baylorensis n. sp." = Metalegoceras baylorense3
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"Ptychites cumminsi n. sp." = Metaperrinites cumminsi
"Ptychites cumminsi n. sp." = Metaperrinites cumminsi White 1889 ammonite | |
Popanoceras walcotti n. sp.
Popanoceras walcotti n. sp. White 1889 ammonite | |
Gastropoda | |
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Ostracoda | |
"Cythere nebrascensis" = Cavellina nebrascensis3
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