Nemacanthus

Nemacanthus (from Greek: νέμω némō, 'to distribute' and Greek: ἄκανθα akantha, 'spine')^[2] is an extinct genus of prehistoric sharks in the family Palaeospinacidae.

Nemacanthus Temporal range: 268.0–201.6 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Fossil of Nemacanthus monilifer - picture taken at Museum of Paleontology, Tubingen
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Order:	†Synechodontiformes
Family:	†Palaeospinacidae
Genus:	†Nemacanthus Agassiz, 1837[1]
Species
†Nemacanthus bosnensis (Katzer, 1916) †Nemacanthus elegans (Evans, 1904) †Nemacanthus filifer Agassiz, 1843 †Nemacanthus minor Davis, 1881 †Nemacanthus monilifer Agassiz, 1843 †Nemacanthus splendens Quenstedt
Synonyms
Desmacanthus Quenstedt, 1858 †Cosmacanthus elegans (synonym of †Nemacanthus elegans Evans, 1904)

The species N. elegans is from the Triassic of Idaho, United States.^[3]

See also

• List of prehistoric cartilaginous fish genera