Leptothecata Cornelius, 1992
Campalecium Torrey, 1902
Diplocathus
Diplocyathus Allman, 1888
Endothecium Fraser, 1935
Halecium Oken, 1815
Hemitheca Hilgendorf, 1898
Hydrodendron Hincks, 1874
Nemalecium Bouillon, 1986
Ophionema Hincks, 1874
Ophioneme Kirchenpauer, 1876
Saaba Stechow, 1922
Sagamihydra Hirohito, 1995
Thoea Templeton, 1836