Note:

Tassonomia:

Domain: Eukaryota Whittaker & Margulis,1978 - eukaryotes
Kingdom: Animalia Linnaeus, 1758 - Linnaeus, 1758 - animals
Subkingdom: Radiata (rad-ee-AY-tuh) (Linnaeus, 1758) Cavalier-Smith, 1983 - Radiates
Infrakingdom: Spongiaria De Blainville, 1816
Phylum: Porifera Grant, in Todd, 1836 - Sponges
Subphylum: Cellularia Reiswig & Mackie, 1983
Class: Calcarea (kal-KAR-ee-uh) Bowerbank, 1864 - Calcareous Sponges
Subclass: Calcaronea
Order: Lithonida Vacelet
Family: Petrobionidae Borojevic, 1979
Genus: Petrobiona
Specific name: massiliana Vacelet & Lévi, 1958
Scientific name: Petrobiona massiliana Vacelet & Lévi, 1958