Calcareous sponge
Animal
The calcareous sponges are members of the animal phylum Porifera, the cellular sponges. They are characterized by spicules made of calcium carbonate, in the form of high-magnesium calcite or aragonite. While the spicules in most species are... Wikipedia
Scientific name: Calcarea
Phylum: Porifera
Class: Calcarea; Bowerbank, 1864
Kingdom: Animalia
Colors: pale
Domain: Eukaryota
Lower classifications