Infraphylum Gnathostomata Phylum Chordata Order Ctenacanthiformes | Subphylum Vertebrata Family Ctenacanthidae Rank Genus | |
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Similar Cladodus, Sphenacanthus, Elasmobranchii, Ctenacanthiformes, Cladoselache |
Ctenacanthus is a prehistoric cartilaginous fish genus. Remains have been found in the Bloyd Formation in Arkansas, United States (Carboniferous period) and in South America.
Species
References
Ctenacanthus Wikipedia(Text) CC BY-SA