Caseodus
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Caseodus is an extinct genus of eugeneodontid holocephalian from the Carboniferous of the United States (Illinois, Indiana, Kansas, South Dakota) and the Early Triassic of Canada (British Columbia).[1] It was of medium size, measuring Script error: No such module "convert". in length.[2][3]
Eugeneodontida are an extinct order of Chondrichthyes. They are characterized by the presence of tooth whorls. They include iconic genera, such as Helicoprion ("buzz-saw shark"), Ornithoprion, Edestus or Fadenia. Caseodus is one of the few eugeneodontid genera that survived the end-Permian mass extinction event. It is one of the last surviving genera of this clade.[3]
Caseodus is named after the late paleoichthyologist Gerard Case.[4]
References
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- ↑ Script error: No such module "citation/CS1".
- ↑ Lionel Calvin, Allison (2008) Fishes and the breakup of Pangea p. 12
- ↑ a b Mutter R.J., Neuman A.G. (2008): New eugeneodontid sharks from the Lower Triassic Sulphur Mountain Formation of Western Canada. In: Fishes and the Break-up of Pangaea. Cavin L, Longbottom A, Richter M, editors. Geol Soc London Spec Publ 295: 941
- ↑ Script error: No such module "citation/CS1".
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