BV-Eastern Coahuila(MEX) (Cretaceous of Mexico)
Where: Coahuila, Mexico (27.0° N, 102.0° W: paleocoordinates 24.9° N, 55.2° W)
• outcrop-level geographic resolution
When: Barril Viejo Shale Member, Hauterivian (132.9 - 129.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: gray, calcareous shale
Primary reference: R. W. Imlay. 1940. Neocomian Faunas of Northern Mexico. Geological Society America Bulletin 51(1):117-190 [M. Patzkowsky/K. Layou/A. Clement]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 2145: authorized by Mark Patzkowsky, entered by Karen Layou on 23.06.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Rhynchonellata | |
Terebratula coahuilensis Imlay 1940 | |
Bivalvia | |
aff. Exogyra latissima oyster "latissima var. aquila" - originally entered as "Exogyra aff. latissima var. aquila"
Exogyra reedi Imlay 1937 oyster | |
Gervillia alatior Imlay 1940 oyster | |
Pinna sp. Linnaeus 1758 oyster | |
Lima kanei Imlay 1940 file clam | |
Plicatula sp. n. sp., Plicatula umbonata
Plicatula umbonata Imlay 1940 scallop | |
Prohinnites ordonesi Imlay 1940 scallop | |
Neithea biangulata Imlay 1940 scallop | |
Syncyclonema sp. Meek 1864 scallop | |
Grammatodon sp. Meek and Hayden 1860 clam | |
Cucullaea gabrielis clam "gabrielis var. fraterna" - originally entered as "Cucullaea gabrielis var. fraterna"
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Astarte sp. Sowerby 1816 clam | |
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cf. Pholadomya sanctae-crucis Sowerby 1823 clam originally entered as "Pholadomya cf. sanctae-crucis"
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Lucina kellumi Imlay 1940 clam
Sphaera americanus Imlay 1940 clam | |
Gastropoda | |
Nerinea sp. Deshayes 1827 snail | |
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Harpagodes mexicanus Imlay 1940 snail
Harpagodes americanus Imlay 1940 snail | |
Vermetus cornejoi Castillo and Aguilera 1895 worm shell "cornejoi var. varians" - originally entered as "Vermetus cornejoi var. varians"
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Trochus sp. n. sp.
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Cephalopoda | |
Dichotomites multicostatus Imlay 1940 ammonite | |
Leopoldia crassicostata, Leopoldia truncata, Acanthodiscus magnificus, cf. Acanthodiscus radiatus, "Leopoldia victoriensis" = Parrasites victoriensis
Leopoldia crassicostata Inlay 1938 ammonite
Leopoldia truncata Imlay 1940 ammonite
Acanthodiscus magnificus Imlay 1938 ammonite
cf. Acanthodiscus radiatus Bruguiére 1792 ammonite originally entered as "Acanthodiscus cf. radiatus"
"Leopoldia victoriensis" = Parrasites victoriensis Imlay 1938 ammonite |