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Ctenacanthus (from Gr****: κτείς kteis, 'comb' and Gr****: ἄκανθα akantha, 'spine') is an
extinct genus of
ctenacanthiform chondrichthyan.
Remains have been...
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major Ag****iz, 1843 †Ctenacanthus
maranhensis Santos, 1946 †Ctenacanthus
nodocostatus Hussakof & Bryant, 1918 †Ctenacanthus
terrelli Newberry, 1889 †Ctenacanthus...
- Michalík & Vasíček, 1989
nomen nudum B.
neocomiensis d'Orbignyi, 1842 B.
nodocostatus Mandov, 1971 B.
noricus Winkler, 1868 B.
oosteri Sarasin & Schöndelmayer...
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martindalensis †Nemodon navarro**** †Nemodon
punctus †Neobrites †Neobrites
nodocostatus †Neocardioceras †Neocardioceras
juddii †Neodeshayesites †Neodeshayesites...
- – type
locality for
species †Amphiscapha
subrugosa †Ananias †Ananias
nodocostatus – type
locality for
species †Ananias
welleri –
tentative report †Anapiculatisporites...
