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Ctenacanthus gracillimus

Chondrichthyes - Ctenacanthiformes - Ctenacanthidae

Taxonomy
Ctenacanthus gracillimus was named by Newberry and Worthen (1866).

It was recombined as Acondylacanthus gracillimus by Hay (1902) and Zidek (1976).

Synonyms
Synonymy list
YearName and author
1866Ctenacanthus gracillimus Newberry and Worthen
1883Ctenacanthus cannaliratus Stjohn and Worthen p. 239 figs. pl. XXI, fig. 3
1902Ctenacanthus cannaliratus Hay p. 327
1902Acondylacanthus gracillimus Hay p. 329
1976Acondylacanthus gracillimus Zidek

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
orderCtenacanthiformes(Cappetta 1988)
familyCtenacanthidaeDean 1909
genusCtenacanthus
speciesgracillimusNewberry and Worthen 1866

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Ctenacanthus gracillimus Newberry and Worthen 1866
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Diagnosis
No diagnoses are available