Bistolida Cossmann, 1920 (original description)
Cossmannaster Lambert, 1920 † (original description)
Curetina Cossmann, 1920 † (original description)
Euralacia Cossmann, 1920 † (original description)
Eusalacia Cossmann, 1920 accepted as Circomphalus Mörch, 1853 (original description)
Hirella Cossmann, 1920 † (original description)
Indosinia Cossmann, 1920 † (original description)
Levinseniula Cossmann, 1920 † (original description)
Normanellina Cossmann, 1920 † (original description)
Palaeadmete Cossmann, 1920 accepted as Paladmete Gardner, 1916 † (original description)
Pleurophoropsis Cossmann, 1920 † accepted as Pleurophopsis van Winkle, 1919 † (original description)
Rollieria Cossmann, 1920 † (original description)
Russiceras Cossmann, 1920 † accepted as Rursiceras Buckman, 1919 † (original description)
Talapena Cossmann, 1920 accepted as Talopena Iredale, 1918 accepted as Monilea Swainson, 1840 (original description)
Thomsonica Cossmann, 1920 † accepted as Aetheia Thomson, 1915 † (original description)