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Notorhynchus (sevengill shark)

Chondrichthyes - Hexanchiformes - Hexanchidae

Taxonomy
Notorhynchus was named by Ayres (1855) [Sepkoski's age data: K Haut-u R]. It is extant.

It was reranked as Notidanus (Notorhynchus) by Weiler (1938).

It was assigned to Notidanus by Weiler (1938); to Hexanchiformes by Sepkoski (2002); and to Hexanchidae by Jordan (1963), Long et al. (1993), Cvancara and Hoganson (1993) and Kent (2018).

Synonymy list
YearName and author
1855Notorhynchus Ayres
1938Notidanus (Notorhynchus) Weiler p. 7
1963Notorhynchus Jordan p. 597
1993Notorhynchus Cvancara and Hoganson p. 3
1993Notorhynchus Long et al. p. 655
2002Notorhynchus Sepkoski, Jr.
2018Notorhynchus Kent p. 55

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
NeoselachiiCompagno 1977
Selachii
superorderSqualimorphi
orderHexanchiformesde Buen 1926
familyHexanchidaeGray 1851
genusNotorhynchusAyres 1855

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