Biology: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.

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.

Family list

Minchinellidae

Michinella

Monoplectoninia

Petrostroma

Plectroinia

Tulearinia

Petrobionidae

Petrobiona

See...

Interns links

Porifera Calcarea Calcaronea

External links

• http://www.catalogueoflife.org/col/browse/tree

Wikidata ☰ Q2160746 entry