''Nemacanthus'' (from el, νέμω , 'to distribute' and el, ἄκανθα , 'spine') is an extinct genus of prehistoric sharks in the family
Palaeospinacidae
Paleospinacidae is an extinct family of prehistoric sharks in the extinct order Synechodontiformes
Synechodontiformes is an extinct order of prehistoric sharks, known from the Permian to the Paleogene. They are considered to be members of Neo ...
.
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 genera that have ever been included in the class chondrichthyes ''and'' are known from the fossil record. This list excludes purely vernacul ...
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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