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

Superfamily: Diaphanoidea  Odhner, 1914 (1857)
Family: Diaphanidae  Odhner, 1914 (1857)
Subfamily: Diaphaninae  Odhner, 1914 (1857)
Genus: Amphisphyra  Loven, 1846 => Diaphana
Amphisphyra expansa  Jeffreys, 1865 => Diaphana minuta
Amphisphyra quadrata  di Monterosato, 1874 => Colpodaspis pusilla pusilla
Amphisphyra seguenzae  Watson, 1886 => Toledonia seguenzae
Genus: Austrodiaphana  Pilsbry, 1895 => Diaphana
Austrodiaphana colei (Fleming, 1948) [Diaphana] => Diaphana brazieri
Austrodiaphana flemingi  Powell, 1955 => Diaphana brazieri
Genus: Colobocephalus  Sars, G.O., 1870
Colobocephalus costellatus  Sars, M., 1870
Colobocephalus striatulus (di Monterosato, 1874) [Philine] => Philine striatula
Genus: Colpodaspis  Sars, M., 1870
Colpodaspis alata (Forbes, 1843)
Colpodaspis pusilla punctata (Clark, 1837)
Colpodaspis pusilla pusilla  Sars, M., 1870
Colpodaspis thompsoni  Brown, 1979
Colpodaspis sp.  Genus: Sars, M., 1870
Genus: Diaphana  Brown, 1827
Diaphana abyssalis (Schiøtte, 1998)
Diaphana anderssoni (Strebel, 1908) [Retusa]
Diaphana brazieri  Angas, 1877
Diaphana brunnea  Dall, 1919 => Diaphana minuta
Diaphana californica  Dall, 1919
Diaphana candida  Brown, 1827 => Diaphana minuta
Diaphana caribaea  Espinosa, Ortea & Fernández-Garcés, 2001
Diaphana colei  Fleming, 1948 => Diaphana brazieri
Diaphana cretica (Forbes, 1844) [Bulla]
Diaphana expansa (Jeffreys, 1865) [Amphispyra] => Diaphana minuta
Diaphana extrema  Thiele, 1912 =>Diaphana paessleri
Diaphana densistriata (Leche, 1878)
Diaphana flava (Watson, 1897) [Amphispyra]
Diaphana floridana  Dall, 1927
Diaphana gemma  Verrill, 1880 =>Roxania semilaevis
Diaphana glacialis  Odhner, 1907
Diaphana globosa  Jeffreys, 1864 => Toledonia seguenzae
Diaphana globosa (Lovén, 1846) [Amphisphyra]
Diaphana haini  Linse & Schiøtte, 2002
Diaphana hiemalis (Couthouy, 1839) [Bulla]
Diaphana hiemalis loveni  Friele, 1886 =>Diaphana hiemalis
Diaphana hyalina spirata  Odhner, 1907 => Diaphana minuta
Diaphana inflata (Strebel, 1908) [Retusa]
Diaphana jonica  Di Geronimo, 1974 =>Diaphana lactea
Diaphana kerguelensis  Thiele, 1912 =>Diaphana paessleri
Diaphana lactea (Jeffreys, 1877) [Utriculus]
Diaphana lottae  Bush, 1893
Diaphana makarovi (Gorbunov, 1946) [Prodiaphana]
Diaphana marshalli (Sykes, 1904) [Retusa]
Diaphana maunganuica  Powell, 1952 => Diaphana brazieri
Diaphana mauretaniensis  Schiøtte, 1998
Diaphana minuta  Brown, 1827
Diaphana pacifica  Schiøtte, 1998
Diaphana paessleri (Strebel, 1905) [Utriculus]
Diaphana pellucida  Brown, 1827 => Diaphana minuta
Diaphana pfefferi (Strebel, 1908) [Retusa]
Diaphana quadrata (Monterosato, 1874) [Amphispyra] => Colpodaspis pusilla pusilla
Diaphana sakuraii  Habe, 1976 => Diaphana brazieri
Diaphana seguenzae (Watson, 1886) [Amphispyra] => Toledonia seguenzae
Diaphana tasmanica (Beddome, 1883) [Akera]
Diaphana tibai  Habe, 1976 =>Diaphana hiemalis
Diaphana undata  Seguenza, 1879 => Toledonia seguenzae
Diaphana vedelsbyae  Schiøtte, 1989 =>Diaphana makarovi
Diaphana vitrea  Sars, M., 1866 =>Diaphana hiemalis
Diaphana watanabei  Habe, 1976 => Diaphana minuta
Diaphana sp.  Genus: Brown, 1827
Genus: Physema  Adams, H. & A. Adams, 1858 => Diaphana
Genus: Prodiaphana  Chaban, 1996 => Diaphana
Genus: Rhinodiaphana  Lemche, 1967
Rhinodiaphana ventricosa (Jeffreys, 1865) [Amphisphyra]
Genus: Utriculopsis  Sars, M., 1870 => Diaphana
Utriculopsis vitrea (Sars, M., 1866) [Diaphana] =>Diaphana hiemalis
Genus: Woodbridgea  Berry, S.S., 1953
Woodbridgea polystrigma (Dall, 1908) [Clistaxis]
WWoodbridgea williamsi  Berry, S.S., 1953
Subfamily: Toledoniinae  Warén, 1989
Genus: Anderssonia  Strebel, 1908 => Newnesia
Anderssonia sphinx  Strebel, 1908 => Newnesia antarctica
Genus: Bogasonia  Warén, 1989
Bogasonia gorjachevi  Chaban, 1998
Bogasonia volutoides  Warén, 1989
Genus: Newnesia  Smith, E.A., 1902
Newnesia antarctica  Smith, E.A., 1902
Newnesia sphinx (Strebel, 1908) [Anderssonia] => Newnesia antarctica
Genus: Odostomiopsis  Thiele, 1904 => Toledonia
Odostomiopsis circumrosa  Thiele, 1904 =>Toledonia circumrosa
Odostomiopsis major  Hedley, 1911 => Toledonia major
Odostomiopsistypica  Thiele, 1904 => Toledonia typica
Genus: Ohlinia  Strebel, 1905 => Toledonia
Genus: Ptisanula  Odhner, 1913 => Toledonia
Ptisanula limnaeoides  Odhner, 1913 => Toledonia limnaeoides
Genus: Toledonia  Dall, 1902
Toledonia brevior  Eales, 1923
Toledonia bullata (Gould, 1847) [Tornatella]
Toledonia circumrosa (Thiele, 1904)) [Odostomiopsis]
Toledonia epongensis  Valdés, 2008
Toledonia globosa  Hedley, 1916
Toledonia limnaeoides (Odhner, 1913) [Ptisanula]
Toledonia limnaeformis (Smith, E.A., 1879) [Admete]
Toledonia major (Hedley, 1911) [Odostomiopsis]
Toledonia media  Thiele, 1912
Toledonia neocaledonica  Valdés, 2008
Toledonia palmeri  Dell, 1990
Toledonia parelata  Dell, 1990
Toledonia perplexa  Dall, 1902
Toledonia polaris (Hedley, 1916)) [Stilifer]
Toledonia punctata  Thiele, 1912
Toledonia seguenzae (Watson, 1886) [Amphispyra]
Toledonia striata  Thiele, 1912
Toledonia succineaformis  Powell, 1955
Toledonia typica (Thiele, 1904)) [Odostomiopsis]
Toledonia vagabunda (Mabille, 1885) [Tornatella]
Toledonia warenella  Golding, 2010