Image of Petrobiona massiliana Vacelet & Lévi 1958

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Petrobionidae Borojevic 1979

Petrobiona massiliana; Baerida; Petrobionidae; Petrobiona; Calcaronea; Calcarea (calcareous sponges ); Porifera (sponges); Opisthokonta (opisthokonts); Metazoa (animals); Cellular; Life; Eukaryota (eukaryotes)