Children (31 direct children, 13087 direct and indirect children):
Homoscleromorpha
(tree size 150)
Calcarea
(tree size 1162)
Calcareous sponge
Hexactinellid
(tree size 1176)
Hexactinellida
Archaeocyatha
(tree size 20)
Stromatoporoidea
(tree size 24)
Sclerosponge
(tree size 4)
Sclerospongiae
Vaveliksia
Ethmophyllum
Fieldospongia
Otavia
Petaloptyon
Sykon
Cellularia
(tree size 10471)
Heteractinida
(tree size 8)
Placodictyum
(tree size 1)
Coronacollina
(tree size 1)
Brooksella
(tree size 1)
Disjectoporidae
(tree size 6)
Polyactinellidae
Discoelia fromentel, 1861
(tree size 6)
Discaelia
Steneudea
(tree size 1)
Siphoneudea
(tree size 2)
Siphonocaelia
(tree size 4)
Stenocaelia
(tree size 1)
Jerea
(tree size 1)
Cribroscyphia
(tree size 2)
Elasmostoma
(tree size 1)
Porostoma
(tree size 1)
Cupulochonia
(tree size 9)
Amorphofungia
(tree size 3)
Eocyathispongia
(tree size 1)