Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Ctenoptychius digitatus

Chondrichthyes - Petalodontiformes - Belantseidae

Taxonomy
Ctenoptychius digitatus was named by Leidy (1857).

It was recombined as Polyrhizodus digitatus by Hay (1902) and Lund (1983).

Synonyms
Synonymy list
YearName and author
1857Ctenoptychius digitatus Leidy
1866Polyrhizodus lobatus Newberry and Worthen
1870Polyrhizodus littoni Newberry and Worthen
1875Polyrhizodus amplus St. John and Worthen
1875Polyrhizodus williamsi St. John and Worthen
1902Polyrhizodus amplus Hay p. 282
1902Polyrhizodus digitatus Hay p. 283
1902Polyrhizodus littoni Hay p. 283
1902Polyrhizodus williamsi Hay p. 283
1983Polyrhizodus digitatus Lund p. 4

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
orderPetalodontiformes()
familyBelantseidae
genusCtenoptychius
speciesdigitatusLeidy 1857

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.

Diagnosis
No diagnoses are available