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Genus Hyalaea Lam. 
Hyalaea Tridentata Lam. 
Ast. (v. in Med. et alibi) 
— Taurinensis E. Sism. 
( H. Gibbosa Bon. ) 
Taur. 
— Interrupta Bon. 
Taur. 
— Sulcosa Boiv. 
Taur. 
— Aurita Bon. 
Taur. 
Sect. BULLOSA Lam. 
Genus Bulla Linn. 
Bulla Lignaria Linn. Lam. Brocc. 
Ast. Dert. (v. in mar. Eur.) 
— Ampulla Linn. Lam. 
Ast. (v. in Oc. Ind. et Amer.) 
— Cylindracea Pen. 
( B. Cylindrica Brocc. ) 
Taur. Dert. {v. in Med. Oc.Eur.) 
— Ovulata Lam. 
Taur. Dert. 
— Fortisii Brong. 
Taur. Dert. 
— Fusiformis Bon. 
Ast. 
— Hydatis Lin. Lam. 
Ast. ( v. in Medit. ) 
— Convoluta Brogc. 
Ast. 
— Truncatula Brug. 
Ast. ( v. in Medit. ) 
— Acuminata Brug. 
Pedem. ( v. in Medit. ) 
— Decussata Bon. 
Ast. 
Bulla Clavata Bon. 
Ast. 
— Plicata Bell. 
Dert. 
Genus Bullina Feruss. 
Bullina Spirata Brocc. (Voluta) 
Ast. 
Sect. HELICEA Lam. 
Genus Helix Muller. 
Helix Vermicularia Bon. 
Ast. ( v. in Pedem. ) 
— Sepulta Mich. 
Ast. 
Genus Bonellia Desh. 
Bonellia Terebellata Desh. 
( Bulimus Lam. ) 
Ast. ( v. in Oc. Nicob. ? ) 
Genus Ringicula Desh. 
Ringicula Bonellii Desh. 
(Pedipes Punctilabris Bon.) 
Taur. 
— Buccinea Desh. 
( Voluta Brocc. ) 
Ast. 
— Striata Bon. (Pedipes) 
Pedem. 
Sect. AURICULATA E. Sism. 
Genus Auricula Lam. 
Auricula Myotis Brocc. (Voluta) 
( A. Brocchii Bon.) 
Ast. 
