Kingdom Animalia Phylum Porifera Rank Order | Scientific name Lithonida Higher classification Calcaronea Subclass Calcaronea | |
Similar Calcareous sponge, Sponge, Leucosolenida, Clathrinida, Calcinea | ||
Lithonida is an order of calcareous sponges in the class Calcarea in the animal phylum Porifera.
Contents
Description
Calcaronea with reinforced skeleton consisting either of linked or cemented basal actines of tetractines, or of a rigid basal mass of calcite. Diapason spicules are generally present and the canal system is leuconoid.
Minchinellidae
Michinella
Monoplectoninia
Petrostroma
Plectroinia
Tulearinia
Petrobionidae
Petrobiona
Interns links
Porifera Calcarea Calcaronea
External links
References
Lithonida Wikipedia(Text) CC BY-SA