(Hymenamphiastra) (Hymenamphiastra) is a biological genus in the family Myxillidae and order Poecilosclerida.
Hymenamphiastra cyanocrypta
Anaata
Damiriopsis
Ectyomyxilla
Ectyonopsis
Hymenamphiastra
Hymenancora
Hymendectyon
Melonanchora
Merrianum
Myxilla
Plocamiancora
Psammochela
Pseudomyxilla
Stelodoryx
Stelotrochota
Stylopus