- Enjumet, 1960
Heliosoma Heliosphaera Hexacontium Haeckel, 1881
Hexacromyum Hexalonche Hexastylus Leptosphaera Liosphaera Lonchosphaera Lychnosphaera Octodendron...
- emend.
Riedel 1967. Actinomma, Didymocyrtis, Euchitonia, Hexacontium,
Hexalonche, Hexastylus, Octodendron, Plegmosphaera, Saturnalis, Spongaster, Spongosphaera...