Supergroup Rhizaria Cavalier-Smith, 2002 see Infrakingdom Rhizaria Cavalier-Smith, 2002 Phylum Foraminifera d'Orbigny, 1826 see Subphylum Foraminifera d'Orbigny, 1826 Class Spirillinata Mikhalevich, 1992 Genus Patellina Williamson, 1858 1 Subclass Ammodiscana Mikhalevich, 1980 2 Subclass Spirillinana Mikhalevich, 1992