Lithonida

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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[edit]

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[edit]

Minchinellidae[edit]

Michinella

Monoplectoninia

Petrostroma

Plectroinia

Tulearinia

Petrobionidae[edit]

Petrobiona

See...[edit]

Interns links[edit]

Porifera Calcarea Calcaronea

External links[edit]

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