Family Agelasidae
This family regroups the Agelas sponges (known as Dermosponges).

Family Aplysinidae
This family regroups both Aplysinid sponges.

Family Axinellidae
This family regroups the Antlers sponges and their relatives.

Axinella polypoides – Yellow antlers sponge

Family Clionaidae
This family regroups the Boring sponges and their relatives.

Family Chalinidae
This family regroups the Caribbean blue sponge and its relatives.

Haliclona cinerea – Purple encrusting sponge

Family Geodiidae
This family regroups the Elephant’s hide sponge and its relatives.

Pachymatisma johnstonia – Elephant’s hide sponge

Family Petrosiidae
This family regroups the Stony sponges and their relatives.

Xestospongia testudinaria – Barrel sponge

Family Suberitidae
This family regroups the Fig sponges and related species.

Family Microcionidae
This family regroups the Rugose sponges and their relatives.

Clathria rugosa – Orange ear sponge

Family Cionidae
This family regroups the translucent Sea-squirts and their relatives.

Family Clavelinidae
This family regroups the Claveline Sea-squirts and their relatives.

Family Pyuridae
This family regroups the Sea-squirts and their relatives.

Family Aglaopheniidae
This family regroups Feather-like hydrozoas.

Aglaophenia elongata – Elongated aglaophenia

Family Eudendridae
This family regroups some of the Flower-like hydrozoas.