Lithonida

Lithonida
Scientific classification
Kingdom:	Animalia
Phylum:	Porifera
Class:	Calcarea
Subclass:	Calcaronea
Order:	Lithonida Vacelet, 1981
Families
Minchinellidae Petrobionidae

Lithonida is an order of calcareous sponges in the class Calcarea in the animal phylum Porifera.