Where: Dallas County, Texas (32.7° N, 96.9° W)
• Paleocoordinates: 38.2° N, 56.7° W (Wright 2013)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Late/Upper Turonian (93.5 - 89.3 Ma)
• At the Eagle Ford Shale-Austin Chalk contact. Given a Turonian-Coniacian boundary age by Cappetta & Case (1999) but contact placed within the upper Turonian in more recent publications.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; poorly lithified siliciclastic sediments
Size class: macrofossils
Collection methods: Repository: Institut des Sciences de l'Evolution, Université de Montpellier
Primary reference: H. Cappetta and G. R. Case. 1975. Sélaciens nouveaux du Crétacé du Texas. Geobios 8:303-307 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 213299: authorized by Matthew Clapham, entered by Matthew Clapham on 28.08.2020
Creative Commons license: CC0 (CC0)
Taxonomic list
Chondrichthyes | |
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Dallasiella willistoni n. gen. n. sp.1
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Squalicorax "sp. 1"1, Squalicorax "sp. 2"1, Squalicorax falcatus1, "Squalicorax volgensis" = Palaeoanacorax volgensis1
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"Scapanorhynchus cf. raphiodon" = Scapanorhynchus rhaphiodon1
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"Cretolamna appendiculata" = Cretalamna appendiculata1
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Sclerorhynchus "sp. 2"1, Sclerorhynchus priscus n. sp.1, Ischyrhiza texana n. sp., Ischyrhiza schneideri1
Ischyrhiza texana n. sp. Cappetta and Case 1975 ray | |
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