Children (16 direct children, 16 direct and indirect children):
Hirasea insignis
Hirasea acutissima
Hirasea chichijimana
Hirasea biconcava
Hirasea operculina
Fametesta operculina
Hirasea diplomphalus
Hirasea eutheca
Hirasea goniobasis
Hirasea sinuosa
Hirasea mirabilis
Fametesta mirabilis
Hirasea profundispira
Hirasea planulata
Hirasea nesiotica
Hirasea hypolia
Hirasea major
Hirasea acuta