Atikokania Walcott, 1912 † (extant flag source)
Bidentia Walcott, 1912 † (extant flag source)
Burgessia Walcott, 1912 † (extant flag source)
Carnarvonia Walcott, 1912 † (extant flag source)
Delgadella Walcott, 1912 † (extant flag source)
Emeraldella Walcott, 1912 † (extant flag source)
Fieldia Walcott, 1912 † (extant flag source)
Habelia Walcott, 1912 † (extant flag source)
Iphidella Walcott, 1912 † accepted as Dictyonina Cooper, 1942 † (extant flag source)
Leanchoilia Walcott, 1912 † (extant flag source)
Marrella Walcott, 1912 † (extant flag source)
Matherella Walcott, 1912 † (extant flag source)
Molaria Walcott, 1912 † (extant flag source)
Mollisonia Walcott, 1912 † (extant flag source)
Naraoia Walcott, 1912 † (extant flag source)
Nathorstia Walcott, 1912 † (extant flag source)
Odaraia Walcott, 1912 † (extant flag source)
Opabinia Walcott, 1912 † (extant flag source)
Tontoia Walcott, 1912 † (extant flag source)
Triblidium Walcott, 1912 † accepted as Tryblidium Lindström, 1880 † (extant flag source)
Tuzoia Walcott, 1912 † (extant flag source)
Waptia Walcott, 1912 † (extant flag source)
Yohoia Walcott, 1912 † (extant flag source)