Alvania mamillata Risso, 1826 (subsequent type designation)
Cerithium granulosum (Brocchi, 1814) accepted as Monophorus perversus (Linnaeus, 1758) (status source)
Lembulus deltoideus (Lamarck, 1805) sensu Risso, 1826 accepted as Saccella commutata (R. A. Philippi, 1844) (status source)
Mangelia ginnania Risso, 1826 accepted as Haedropleura septangularis (Montagu, 1803) (subsequent type designation)
Mangelia striolata Risso, 1826 (additional source)
Mitra cornicula (Linnaeus, 1758) sensu Risso, 1826 accepted as Pusia ebenus (Lamarck, 1811) (status source)
Mitrella marminea Risso, 1826 accepted as Pollia dorbignyi (Payraudeau, 1826) accepted as Aplus dorbignyi (Payraudeau, 1826) (source of synonymy)
Murex rudis Risso, 1826 accepted as Muricopsis cristata (Brocchi, 1814) (subsequent type designation)
Nacca punctata Risso, 1826 accepted as Naticarius stercusmuscarum (Gmelin, 1791) (source of synonymy)
Patella turtonia Risso, 1826 accepted as Patella ferruginea Gmelin, 1791 (source of synonymy)
Patella vespertina Risso, 1826 accepted as Patella ferruginea Gmelin, 1791 (source of synonymy)
Planaxis donatiana Risso, 1826 accepted as Nassarius cuvierii (Payraudeau, 1826) accepted as Tritia cuvierii (Payraudeau, 1826) (subsequent type designation)
Planaxis donatiana Risso, 1826 accepted as Nassarius cuvierii (Payraudeau, 1826) accepted as Tritia cuvierii (Payraudeau, 1826) (source of synonymy)
Rissoa tricolor Risso, 1826 accepted as Rissoa violacea Desmarest, 1814 (subsequent type designation)
Rissoa tricolor Risso, 1826 accepted as Rissoa violacea Desmarest, 1814 (source of synonymy)
Trochus tuberculatus da Costa, 1778 sensu Risso, 1826 accepted as Gibbula fanulum (Gmelin, 1791) (status source)
Trochus vulgaris Risso, 1826 accepted as Jujubinus exasperatus (Pennant, 1777) (source of synonymy)
Trochus vulgaris Risso, 1826 accepted as Jujubinus exasperatus (Pennant, 1777) (subsequent type designation)
Turritella communis Risso, 1826 accepted as Turritellinella tricarinata (Brocchi, 1814) (additional source)
Turritella pelagica Risso, 1826 accepted as Turritella turbona Monterosato, 1877 (additional source)
Turritella sabauda Risso, 1826 accepted as Turritella communis Risso, 1826 accepted as Turritellinella tricarinata (Brocchi, 1814) (source of synonymy)
Turritella scalaroides Risso, 1826 accepted as Pyrgiscus rufus (R. A. Philippi, 1836) (source of synonymy)