Canolira Leach, 1818 accepted as Anilocra Leach, 1818 (original description)
Cilicoea Leach, 1818 (original description)
Cirolana Leach, 1818 (original description)
Conilera Leach, 1818 (original description)
Corneocyclas Blainville, 1818 accepted as Sphaerium Scopoli, 1777 (original description)
Cryptoplax Blainville, 1818 (original description)
Cryptostoma de Blainville, 1818 accepted as Cryptostomus Blainville, 1818 accepted as Sinum Röding, 1798 (original description)
Cyanocyclas Blainville, 1818 (original description)
Cyclogasterus Cloquet, 1818 (original description)
Cyclosterma de Blainville, ? 1818 accepted as Cyclostrema Marryat, 1819 (original description)
Cymodocea Leach, 1818 accepted as Cymodoce Leach, 1814 (original description)
Cyrtodera de Blainville, 1825 (original description)
Dauphinula Defrance, 1818 accepted as Delphinula Lamarck, 1804 accepted as Angaria Röding, 1798 (original description)
Domicellus Cloquet, 1818 (original description)
Livoneca Leach, 1818 (original description)
Nelocira Leach, 1818 (original description)
Nerocila Leach, 1818 (original description)
Nesa Leach, 1818 (original description)
Olencira Leach, 1818 (original description)
Peronium Blainville, 1818 (original description)
Rocinela Leach, 1818 (original description)
Serolis Leach, 1818 (original description)
Zuzara Leach, 1818 (original description)