Achradocystis Haeckel, 1896 † accepted as Achradocystites Volborth, 1870 † (original description)
Amphoracystis Haeckel, 1896 † (original description)
Amphoraea Haeckel, 1896 (original description)
Amygdalocystis Haeckel, 1896 † (original description)
Anoplura Haeckel, 1896 † accepted as Enoploura Wetherby, 1879 † (original description)
Ateleocystis Haeckel, 1896 † accepted as Ateleocystites Billings, 1858 † (original description)
Balanocystis Haeckel, 1896 † accepted as Balanocystites Barrande, 1887 † (original description)
Haplocystis Haeckel, 1896 (original description)