The anatomy of representatives of the five families with Stromboidea Rafinesque, 1815 indicating the eye (e) eye stalk (es) and the tentacle (t) A Strutholariidae Gabb, 1868 – Tylospira scutulata (Gmelin, 1791) (Simone 2005, fig. 254) B Aporrhaidae Gray, 1850 – Aporrhais occidentalis (Beck, 1836) (Simone 2005, fig. 297) C Seraphsidae Jung, 1974 – Terebellum terebellum (Linné, 1758) (Simone 2005, fig. 231) D Rostellariidae Gabb, 1868 – Tibia insulaechorab (Röding, 1798) (Simone 2005, fig. 249) E Strombidae Rafinesque, 1815 – Strombus gallus Linné, 1758 (Simone 2005, fig. 164).