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

Helicoprion

Chondrichthyes - Eugeneodontiformes - Agassizodontidae

Synonyms
Synonymy list
YearName and author
1899Helicoprion Karpinsky p. 25
1907Lissoprion Hay
1955Helicoprion Larson and Scott p. 918
1963Helicoprion Jordan p. 596
1963Lissoprion Jordan p. 596
1976Helicoprion Kelly and Zangerl
1981Helicoprion Zangerl p. 86
1998Helicoprion Hanger and Strong p. 531
2002Helicoprion Sepkoski, Jr.
2010Helicoprion Ginter et al. p. 126

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
classChondrichthyes
RankNameAuthor
subclassHolocephali(Bonaparte 1832)
orderEugeneodontiformes()
superfamilyEdestoideaHay 1930
familyAgassizodontidae
genusHelicoprion

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