Clancophila Cossmann, 1925 † (original description)
Coelponatica Valette, 1925 † (original description)
Cryptonatica Cossmann, 1925 † accepted as Cryptonerita Kittl, 1894 † (original description)
Cryptonica Cossmann, 1925 accepted as Cryptonatica Dall, 1892 (original description)
Cymenorhytis Cossmann, 1925 † (original description)
Drilliovoluta Cossmann, 1925 † (original description)
Ermoea Cossmann, 1925 † (original description)
Greggsia Cossmann, 1925 † (original description)
Hemisacirsa Cossmann, 1925 accepted as Hemiacirsa de Boury, 1890 accepted as Acirsa Mörch in Rink, 1857 (original description)
Janlopsis Cossmann, 1925 † accepted as Janiopsis Rovereto, 1899 † (original description)
Loevilittorina Cossmann, 1925 accepted as Laevilitorina Pfeffer, 1886 (original description)
Olostoma Cossmann, 1925 † accepted as Otostoma d'Archiac, 1856 † (original description)
Ornithopsis Cossmann, 1925 † accepted as Ornopsis Wade, 1916 † (original description)
Ostica Valette, 1925 † accepted as Ostrea Linnaeus, 1758 (original description)
Phoracantus Cossmann, 1925 † accepted as Phoracanthus Martin, 1914 † (original description)
Pictavia Cossmann, 1925 † (original description)
Pleuroofusia Valette, 1925 † accepted as Pleurofusia de Gregorio, 1890 † (original description)
Porcupina Cossmann, 1925 † (original description)
Pseudoliotina Cossmann, 1925 † (original description)
Pseudomorea Cossmann, 1925 † (original description)
Riplexia Cossmann, 1925 † accepted as Seminola Wade, 1917 † (original description)
Rosella Cossmann, 1925 † (original description)
Semineritina Cossmann, 1925 † (original description)
Sipruloea Valette, 1925 † accepted as Rotularia Defrance, 1827 † (original description)
Tribula Cossmann, 1925 accepted as Trituba Jousseaume, 1884 (original description)
Tributa Cossmann, 1925 accepted as Trituba Jousseaume, 1884 (original description)
Vanikoroa Cossmann, 1925 † accepted as Vanikoro Quoy & Gaimard, 1832 (original description)