Baboria Cossmann, 1898 † (original description)
Bissonychia Cossmann, 1898 † accepted as Byssonychia Ulrich, 1893 † (original description)
Bonarellia Cossmann, 1898 † (original description)
Cenomanites Haug, 1898 † (original description)
Eurymia Cossmann, 1898 † accepted as Eurymya Ulrich, 1894 † (original description)
Gemmellaroia Cossmann, 1898 † (original description)
Hyatella Cossmann, 1898 † (original description)
Nasmo Cossmann, 1898 † accepted as Nanno Clarke, 1894 † (original description)
Noetlingia Lambert, 1898 † accepted as Protechinus Noetling, 1897 † (original description)
Rhynchocypraea Cossmann, 1898 † (original description)
Sinnites Cossmann, 1898 † accepted as Sinuites Koken, 1896 † (original description)
Sphaerochilus Cossmann, 1898 † (original description)