living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
         Phylum Sarcomastigophora Honigberg & Balamuth, 1963
           Subphylum Sarcodina - amebas
             Superclass Rhizopoda - rhizopodans see Phylum Rhizopoda Dujardin, 1835
               Class Granuloreticulosa see Phylum Foraminifera d'Orbigny, 1826
                 Order Foraminiferida d'Orbigny, 1826 - foraminiferans see Class Foraminifera d'Orbigny, 1826
                   Suborder Spirillinina Hohenegger & Piller, 1975
                     Superfamily Spirillinoidea Reuss & Fritsch, 1861 see Order Spirillinida Hohenegger & Piller, 1975
                       Family Spirillinidae Reuss & Fritsch, 1861
                         1 Genus Spirillina Ehrenberg, 1843
                         2 Genus Sejunctella Loeblich & Tappan, 1957
                         3 Genus Turrispirillina Cushman, 1927
                         4 Genus Alanwoodia Loeblich & Tappan, 1955
                         5 Genus Conicospirillina Cushman, 1927
                         6 Genus Mychostomina Berthelin, 1881
                         7 Genus Conicospirillinoides Cheng & Zheng, 1978
                         8 Genus Planispirillina Bermúdez, 1952