Children (6 direct children, 143 direct and indirect children):
Calyx
(tree size 13)
Calyx (sponge)
Oceanapia
(tree size 96)
Siphonodictyon
(tree size 24)
Pachypellina
(tree size 1)
Tabulocalyx
(tree size 1)
Pellina
(tree size 2)