Cancellariidae Forbes & Hanley, 1853
Iphinopsis bathyalis (Okutani, 1964)
Iphinopsis boucheti Okutani, Hashimoto & Sasaki, 2004
Iphinopsis choshiensis (Habe, 1958)
Iphinopsis kelseyi (Dall, 1908)
Iphinopsis kulanda (Garrard, 1975)
Iphinopsis nuda (Dall, 1927)
Iphinopsis splendens Simone & Birman, 2006
Iphinopsis traverseensis (A.H. Clarke, 1961)
