Children (11 direct children, 11 direct and indirect children):
Hyalascus attenuatus
Hyalascus anisoactinus
Hyalascus pinulohexactinus
Hyalascus stellatus
Hyalascus hodgsoni
Hyalascus baculifer
Hyalascus sagamiensis
Hyalascus similis
Hyalascus giganteus
Hyalascus andamanensis
Hyalascus farallonesensis