Chondrichthyes - Myliobatiformes - Myliobatidae
The type specimen of Brachyrhizodus Romer 1942, B. wichataensis Romer 1942, (which was originally found in Carboniferous-Permian sediments and provisionally identified as a petalodont) was a reworked Cretaceous tooth element. The duplicate listing of a "Permian petalodont" Brachyrhizodus in Sepkoski's Genus Compendium did not recognize the latter awareness that the specimen was reworked and genus is restricted to the Cretaceous.
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Synonym: Brachyrhizodus Romer 1942 [objective synonym]
Full reference: A. S. Romer. 1942. Notes on certain American Paleozoic Fishes. American Journal of Science 240(3):216-228
Parent taxon: Myliobatidae according to R. van der Laan 2019
See also Adnet et al. 2012, Cappetta 1987, Cappetta and Case 1975, Case and Schwimmer 1988, Cicimurri et al. 2014, Claeson et al. 2010, De Pasqua et al. 2025, Ginter et al. 2010 and Sepkoski 2002
Sister taxa: Aetobatinae, Aetomylaeus, Aktaua, Amtaaguar, Apocopodon, Ceratopterina, Garabatis, Hypolophites, Igdabatis, Leidybatis, Lophobatis, Meridiania, Mesobatis, Myliobates, Myliobatina, Myliobatinae, Myliobatis, Palaeomyliobatis, Palaeomyliobatis pirabensis, Pseudaetobatus, Pteromylaeus, Rhizochlatrus, Rhizochlatrus vidalis
Subtaxa: Brachyrhizodus wichitaensis
Ecology: nektobenthic carnivore
Distribution:
• Cretaceous of Angola (1 collection), Madagascar (1), United States (22: Delaware, Georgia, Mississippi, New Jersey, North Carolina, South Carolina, Texas)
Total: 24 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.