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Ptychatractus

Gastropoda - Vasidae

Taxonomy
Ptychatractus was named by Stimpson (1865) [Sepkoski's age data: T Than R Sepkoski's reference number: 614]. It is extant.

It was assigned to Vasidae by Abbass (1967); and to Neogastropoda by Sepkoski (2002).

Synonymy list
YearName and author
1865Ptychatractus Stimpson
1967Ptychatractus Abbass p. 104
2002Ptychatractus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
Ptenoglossa(Gray 1853)
suborderGymnoglossa
superfamilyVolutaceaRafinesque 1815
familyVasidaeAdams and Adams 1853
genusPtychatractusStimpson 1865

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