Class Scaphopoda Bronn, 1862 - tusk shells Order Gadilida Starobogatov, 1974 Suborder Gadilimorpha Steiner, 1992 Family Pulsellidae Boss, 1982 1 Genus Annulipulsellum Scarabino, 1986 2 Genus Pulsellum Stoliczka, 1868 3 Genus Striopulsellum Scarabino, 1995