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Morphology Ecology and taphonomy   Age range and collections

Pachyhexanchus

Chondrichthyes - Hexanchiformes

Taxonomy
Pachyhexanchus is a genus. It is not extant.

It was assigned to Hexanchiformes by Sepkoski (2002).

Synonymy list
YearName and author
2002Pachyhexanchus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
RankNameAuthor
infraclassEuselachii()
NeoselachiiCompagno 1977
Selachii
superorderSqualimorphi
orderHexanchiformesde Buen 1926
genusPachyhexanchus

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