''Nemacanthus'' (from , 'to distribute' and , 'spine') is an extinct genus of prehistoric sharks in the family
Palaeospinacidae
Synechodontiformes is an extinct Order (biology), order of prehistoric shark-like cartilaginous fish, known from the Permian to the Paleogene. They are considered to be members of Neoselachii, the group that contains modern sharks and rays.
Thei ...
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The species ''N. elegans'' is from the Triassic of Idaho, United States.
[H. M. Evans. 1904. A new cestraciont spine from the Lower Triassic of Idaho. University of California Publications, Bulletin of the Department of Geology 3(18), pages 397-402]
See also
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List of prehistoric cartilaginous fish genera
This list of prehistoric cartilaginous fish genera is an attempt to create a comprehensive listing of all Genus, genera that have ever been included in the class chondrichthyes ''and'' are known from the fossil record. This list excludes purely v ...
References
* Maisey, J. G. (1977). "The fossil selachian fishes Palaeospinax Egerton, 1872 and Nemacanthus Agassiz, 1837". Zoological Journal of the Linnean Society. 60 (3): 259–273.
External links
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Palaeospinacidae
Prehistoric shark genera
Taxa named by Louis Agassiz
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