Chondrosiida is an order of

sea sponge Sponges or sea sponges are primarily marine invertebrates of the animal phylum Porifera (; meaning 'pore bearer'), a basal clade and a sister taxon of the diploblasts. They are sessile filter feeders that are bound to the seabed, and are o ...

s within the subclass

Verongimorpha Verongimorpha is the name of a subclass of sea sponges within the phylum Porifera Sponges or sea sponges are primarily marine invertebrates of the animal phylum Porifera (; meaning 'pore bearer'), a Basal (phylogenetics) , basal clade and ...

References

Sponge orders Verongimorpha {{Poriferan-stub