Turbinellidae Swainson, 1835
Ptychatractus californicus Dall, 1908
Ptychatractus (Ptychatractus) fusiformis
Ptychatractus ligatus (Mighels & C. B. Adams, 1842)
Ptychatractus occidentalis Stearns, 1873
Ptychatractus youngi Kilburn, 1975
