Sycaltaga Haeckel, 1872 (original description)
Sycaltis Haeckel, 1872 accepted as Sycetta Haeckel, 1872 (original description)
Sycaltusa Haeckel, 1872 (original description)
Sycandra Haeckel, 1872 (original description)
Sycandrarium Haeckel, 1872 (original description)
Sycandrometra Haeckel, 1872 (original description)
Sycandrophyllum Haeckel, 1872 (original description)
Sycetta Haeckel, 1872 (original description)
Sycettaga Haeckel, 1872 accepted as Sycetta Haeckel, 1872 (original description)
Sycettopa Haeckel, 1872 (original description)
Sycettusa Haeckel, 1872 (original description)
Sycilla Haeckel, 1872 accepted as Amphoriscus Haeckel, 1870 (original description)
Sycinulandra Haeckel, 1872 (original description)
Sycocarpus Haeckel, 1872 (original description)
Sycocercus Haeckel, 1872 (original description)
Sycocubus Haeckel, 1872 (original description)
Sycocystandra Haeckel, 1872 (original description)
Sycocystortis Haeckel, 1872 (original description)
Sycodenandrum Haeckel, 1872 (original description)
Sycodorus Haeckel, 1872 (original description)
Syconellandra Haeckel, 1872 (original description)
Syconellortis Haeckel, 1872 (original description)
Sycophractus Haeckel, 1872 (original description)
Sycortarium Haeckel, 1872 (original description)
Sycortis Haeckel, 1872 accepted as Sycon Risso, 1827 (original description)
Sycortopa Haeckel, 1872 (original description)
Sycortusa Haeckel, 1872 (original description)
Sycostrobus Haeckel, 1872 (original description)
Sycothamnaltis Haeckel, 1872 (original description)
Sycothamnandra Haeckel, 1872 (original description)
Sycothamnetta Haeckel, 1872 (original description)
Syculmarium Haeckel, 1872 (original description)
Syculmis Haeckel, 1872 accepted as Amphoriscus Haeckel, 1870 (original description)
Sycuraltis Haeckel, 1872 (original description)
Sycurandra Haeckel, 1872 (original description)
Sycuretta Haeckel, 1872 (original description)
Sycurilla Haeckel, 1872 (original description)
Sycurortis Haeckel, 1872 (original description)
Sycurus Haeckel, 1870 accepted as Amphoriscus Haeckel, 1870 (original description)
Sycyssa Haeckel, 1872 (original description)
Sycyssarium Haeckel, 1872 (original description)
Tarraltis Haeckel, 1872 (original description)
Tarrandra Haeckel, 1872 (original description)
Tarretta Haeckel, 1872 (original description)
Tarrilla Haeckel, 1872 (original description)
Tarromandra Haeckel, 1872 (original description)
Tarropsandra Haeckel, 1872 (original description)
Tarropsetta Haeckel, 1872 (original description)
Tarropsis Haeckel, 1872 (original description)