Two shells and many (>6) primary radial spines. Inner shell with regular polygonal meshes and thin bars. Outer shell with very large, triangular meshes formed by anastomosing of lateral branches produced by the long, 3-bladed primary spines arising from the first shell. Spines extend beyond the very open outer shell. Diameter of inner shell: 150 µm.
Ref.: Haeckel (1887).
Kingdom Protoctista Phylum Actinopoda Subphylum Sarcodina Class Polycystina Order Spumellaria Family Actinommidae Genus Astrosphaera Species Astrosphaera hexagonalis
Status in World Register of Marine Species
Not included in WoRMS database
Sorry, there are no scientific synonyms and common names available for this species
Sorry, there are no literature references available for this species.