Amphoriscus Haeckel, 1870 (original description)
Ascaltis Haeckel, 1872 (original description)
Ascaltis cerebrum Haeckel, 1872 accepted as Borojevia cerebrum (Haeckel, 1872) (original description)
Ascandra Haeckel, 1872 (original description)
Ascandra falcata Haeckel, 1872 (original description)
Ascandra variabilis Haeckel, 1872 accepted as Leucosolenia variabilis Haeckel, 1870 (original description)
Ascortis Haeckel, 1872 accepted as Leucosolenia Bowerbank, 1864 (original description)
Ascortis fragilis Haeckel, 1870 accepted as Leucosolenia fragilis (Haeckel, 1870) (additional source)
Ascyssa Haeckel, 1872 (original description)
Ascyssa acufera Haeckel, 1870 (original description)
Ascyssa troglodytes Haeckel, 1870 (original description)
Clathrina canariensis (Miklucho-Maclay, 1868) accepted as Arturia canariensis (Miklucho-Maclay, 1868) (additional source)
Grantessa glacialis (Haeckel, 1872) accepted as Sycettusa glacialis (Haeckel, 1872) (original description)
Leucaltis Haeckel, 1872 (original description)
Leucaltis clathria Haeckel, 1872 (original description)
Leucandra Haeckel, 1872 (original description)
Leucandra caminus Haeckel, 1872 (original description)
Leucetta Haeckel, 1872 (original description)
Leucilla Haeckel, 1872 (original description)
Leucosolenia darwini accepted as Arturia darwinii (Haeckel, 1870) accepted as Janusya darwinii (Haeckel, 1870) (original description)
Leucosolenia echinoides Haeckel, 1870 accepted as Leucosolenia cyathus (Haeckel, 1870) (original description)
Leucosolenia fabricii Schmidt, 1869 accepted as Leucosolenia complicata (Montagu, 1814) (additional source)
Leuculmis Haeckel, 1872 accepted as Leucilla Haeckel, 1872 (original description)
Leuculmis echinus Haeckel, 1872 accepted as Leucilla echina (Haeckel, 1872) (original description)
Sycaltis Haeckel, 1872 accepted as Sycetta Haeckel, 1872 (original description)
Sycaltis glacialis Haeckel, 1872 accepted as Sycettusa glacialis (Haeckel, 1872) (original description)
Sycaltis oviparus Haeckel, 1872 accepted as Amphoriscus oviparus (Haeckel, 1872) (original description)
Sycandra Haeckel, 1872 (original description)
Sycandra villosa Haeckel, 1870 accepted as Sycon villosum (Haeckel, 1870) (original description)
Sycetta Haeckel, 1872 (original description)
Sycettusa Haeckel, 1872 (original description)
Sycodorus Haeckel, 1872 (original description)
Sycodorus hystrix Haeckel, 1872 (original description)
Sycolepis Haeckel, 1869 accepted as Trichogypsia Carter, 1871 (original description)
Sycortis Haeckel, 1872 accepted as Sycon Risso, 1827 (original description)
Sycortis lingua Haeckel, 1870 accepted as Sycon lingua (Haeckel, 1870) (original description)
Sycum arcticum Haeckel, 1870 accepted as Sycon arcticum (Haeckel, 1870) accepted as Grantia arctica (Haeckel, 1872) (original description)
Sycurus Haeckel, 1870 accepted as Amphoriscus Haeckel, 1870 (original description)
Sycurus oviparus Haeckel, 1870 accepted as Amphoriscus oviparus (Haeckel, 1872) (original description)
Sycyssa Haeckel, 1872 (original description)
Sycyssa huxleyi Haeckel, 1870 (original description)