spirolina spirolina spirolina is a genus of foraminifera in the family peneroplidae. spirolina illustration of spirolina depressa and spirolina cylindracea scientific classification domain: eukaryota (unranked): sar (unranked): rhizaria superphylum: retaria phylum: foraminifera class: tubothalamea order: miliolida superfamily: soritacea family: peneroplidae genus: spirolinalamarck, 1804 species spirolina austriaca d'orbigny, 1846 † spirolina clavata crouch, 1827 spirolina cylindracea lamarck, 1804 spirolina dissimilis mcculloch, 1977 spirolina laevigata d'orbigny, 1850 spirolina limatula mcculloch, 1977 spirolina pedum d'orbigny, 1850 spirolina semilituus (linnaeus, 1758) spirolina striata d'orbigny, 1850