 In their taxonomy of the Gastropoda of 2005 Bouchet & Rocroi still listed Cassidae as Cassinae Latreille, 1825, a subfamily of Tonnidae Suter, 1913 (1825), following in this Riedel (1995).In his "Revision of the deep-water Cassidae" however, Beu raised in 2008 Cassinae to the rank of family.Genera within the family include