Kingdom:  Animalia  Linnaeus, 1758
Subkingdom:  Eumetazoa  Butschli, 1910
unranked:  Bilateria  Hatschek, 1888
Superphylum:  Lophotrochozoa  Halanych, Bacheller, Auginaldo, Liva, Hillis & Lake, 1995
Phylum:  Mollusca  Linnaeus, 1758
Class:  Gastropoda  Cuvier, 1795
Subclass  Heterobranchia  J.E. Gray, 1840

Clade: Euthyneura  Spengel, 1881
Clade: Euopisthobranchia  Jörger et al., 2010

Clade: Cephalaspidea  P. Fischer, 1883
Superfamily: Bulloidea  Lamarck, 1801
Family: Bullidae  Lamarck, 1801
Genus: Bulla  Linnaeus, 1758
Bulla abyssicola  Dall, 1881 => Bulla (Leucophysema) subrotunda
Bulla adamsi  Menke, 1843
Bulla adansoni (Philippi in Dunker, 1847)
Bulla ampulla  Linnaeus, 1758
Bulla ampullastriata  Roeding, 1798 => Bulla ampulla
Bulla amygdala  Dillwyn, 1817 => Bulla striata
Bulla angasi  Pilsbry, 1893
Bulla arabica  Malaquias & Reid 2008
Bulla bermudae  Verrill, A.E. & Bush, 1900
Bulla botanica  Hedley, 1918
Bulla clausa  Dall, 1889
Bulla columnae  delle Chiaje, 1823 => Bulla striata
Bulla columbellaris  Menke, 1854 => Bulla ampulla
Bulla cauria  Benson, 1856 => Bullacta exarata
Bulla clandestina  Montpereux, 1831 ==> Retusa obtusa
Bulla compressa  de Rochebrune, 1881
Bulla corticata Beck in Møller, 1842 ==> Cylichna alba
Bulla cruentata  A. Adams, 1850
Bulla cylindraca  Bruguière, 1791 ==> Cylichna cylindracea
Bulla dactylis  Menke, 1855
Bulla debilis  Gould, 1840 => Diaphana minuta
Bulla difficilis  Habe, 1950
Bulla eburneola (Dall, 1927) [Bullaria (Leucophysema)]
Bulla gemma (Verrill, A.E., 1880) [Diaphana (Utriculus)]
Bulla gouldiana  Pilsbry, 1893
Bulla hyalina  Turton, 1834 => Diaphana minuta
Bulla indolens (Dall, 1927) [Bullaria]
Bulla jeverensis  Schroeter, 1804 ==> Retusa (Coleophysis) truncatula
Bulla krebsii  Dall, 1889
Bulla lajonkaireana  de Basterot, 1825 ==> Retusa obtusa
Bulla mabillei  Locard, 1897
Bulla marmorea  Pease, 1861 => Bulla vernicosa
Bulla modesta  Risso, 1826 => Bulla striata
Bulla occidentalis  A. Adams, 1850
Bulla omphalodes  Menke, 1853 => Bulla striata
Bulla orientalis  Habe, 1950
Bulla ovula  Sowerby, 1868 => Bulla vernicosa
Bulla ovumvanelli  Roeding, 1798 => Bulla ampulla
Bulla peasiana  Pilsbry, 1895
Bulla pectinata  Dillwyn, 1817 ==> Philine scabra
Bulla punctulata  A. Adams, in Sowerby, 1850
Bulla quoyana  Dall, 1919 => Bulla punctulata
Bulla quoyii  Gray in Dieffenbach, 1843
Bulla retusa  Maton & Rackett, 1803 ==> Retusa (Coleophysis) truncatula
Bulla rufolabris  A. Adams, in Sowerby, 1850
Bulla selina  Iredale, 1929 => Bulla ampulla
Bulla semisulcata  Philippi, 1836 ==> Retusa (Coleophysis) truncatula
Bulla sinensis  A. Adams, 1850 => Bullacta exarata
Bulla solida  Gmelin, 1791
Bulla spirata  Montpereux, 1831 ==> Retusa obtusa
Bulla striata  Bruguière, 1792
Bulla subangulata  Møller, 1842 => Diaphana minuta
Bulla subtropicalis  Powell, 1965 => Bulla vernicosa
Bulla terebellata  Montpereux, 1831 ==> Retusa obtusa
Bulla trifasciata  Sowerby, 1868 => Bulla ampulla
Bulla turrita  Møller, 1842 ==> Retusa obtusa
Bulla umbilicata  Roeding, 1798
Bulla ventricosa  Fischer von Waldheim, 1807
Bulla vernicosa  Gould, 1859
Bulla zonata  Turton, 1834 ==> Scaphander lignarius
Bulla sp.  Genus: Linnaeus, 1758
Subgenus: Bullocardia  Nordsieck, 1975
Bulla (Bullocardia) millepunctata  Locard, 1897
Subgenus: Leucophysema  Dall, 1908
Bulla (Leucophysema) morgana  Dall, 1908
Bulla (Leucophysema) subrotunda (Jeffreys, 1873)