Aegionia Cossmann, 1921 † (original description)
Annulifer Cossmann, 1921 † (original description)
Barleea Cossmann, 1921 † accepted as Barleeia W. Clark, 1853 (original description)
Buvignieria Cossmann, 1921 † (original description)
Callongchaeus Cossmann, 1921 accepted as Callolongchaeus Dall, 1903 † accepted as Longchaeus Mörch, 1875 (original description)
Calvadosia Cossmann, 1921 † accepted as Calvadosiella Wenz, 1939 † (original description)
Glosia Cossmann, 1921 † (original description)