Entity:

Authorship

Questionably Original rank	:
Questionably Original spelling	:

Types

Type

Ptychatractus (Genus) Stimpson, 1865

Ref: P. Bouchet & J.-P. Rocroi, 2005: 146. [implicit]

Basionym	:	*Ptychatractidae* (Family) Stimpson, 1865		Ref: P. Bouchet & J.-P. Rocroi, 2005: 146.
Current rank	:	*Ptychatractidae* (Family) Stimpson, 1865		Ref: P. Bouchet & J.-P. Rocroi, 2005: 256; 146.

Synonymous name	:	*Benthovolutidae* (Family) Ponder & Warén, 1988, nom. inval.		Ref: P. Bouchet & J.-P. Rocroi, 2005: 36 (Ponder & Warén, 1988: 305).
In	:	*Vasidae* (Family) Adams & Adams, 1853 (1840)