"Lower Heterobranchia"
[unassigned] Acochlidioidea (temporary name )
[unassigned] Bothriembryontidae
[unassigned] Bulimulidae (temporary name )
[unassigned] Cephalaspidea (temporary name )
[unassigned] Cladobranchia (temporary name )
[unassigned] Clausilioidea
[unassigned] Doridoidei (temporary name )
[unassigned] Euthyneura (temporary name )
[unassigned] Helicina (temporary name )
[unassigned] Heterobranchia (temporary name )
[unassigned] Limacoidei (temporary name )
[unassigned] Nerineoidea † (temporary name )
[unassigned] Planorbidae (temporary name )
[unassigned] Polyceridae (temporary name )
[unassigned] Pyramidelloidea (temporary name )
[unassigned] Strophocheilidae (temporary name )
[unassigned] Stylommatophora (temporary name )
[unassigned] Urocoptidae
“Montereina” sensu Dayrat, 2010 (unaccepted > unavailable name )
“Montereina” achroma (Á. Valdés, 2001) represented as Discodoris achroma Á. Valdés, 2001
“Montereina” aliciae (Dayrat, 2005) (unaccepted )
“Montereina” aurea (Eliot, 1903) represented as Peltodoris aurea Eliot, 1904
“Montereina” aurila (Marcus & Marcus, 1967) represented as Diaulula aurila (Marcus & Marcus, 1967)
“Montereina” branneri (MacFarland, 1909) represented as Discodoris branneri MacFarland, 1909
“Montereina” coerulescens (Bergh, 1888) represented as Discodoris coerulescens Bergh, 1888
“Montereina” concinna (Alder & Hancock, 1864) represented as Discodoris concinna (Alder & Hancock, 1864)
“Montereina” crucis (Mörch, 1863) represented as Discodoris crucis (Mörch, 1863)
“Montereina” erubescens (Bergh, 1884) represented as Discodoris erubescens Bergh, 1884
“Montereina” flindersi (Burn, 1962) represented as Anisodoris flindersi Burn, 1962 accepted as Diaulula flindersi (Burn, 1962)
“Montereina” golaia (Marcus & Marcus, 1966) represented as Discodoris golaia Ev. Marcus & Er. Marcus, 1966
“Montereina” greeleyi (MacFarland, 1909) represented as Diaulula greeleyi (MacFarland, 1909)
“Montereina” igla (Marcus & Marcus, 1967) represented as Peltodoris hummelincki igla Marcus & Marcus, 1967
“Montereina” labifera (Abraham, 1877) represented as Discodoris labifera (Abraham, 1877)
“Montereina” lancei (Millen & Bertsch, 2000) represented as Peltodoris lancei Millen & Bertsch, 2000
“Montereina” lentiginosa (Millen, 1982) represented as Diaulula lentiginosa (Millen, 1982) accepted as Peltodoris lentiginosa (Millen, 1982)
“Montereina” lippa (Á. Valdés, 2001) represented as Peltodoris lippa Á. Valdés, 2001
“Montereina” modesta (Bergh, 1877) represented as Discodoris modesta Bergh, 1877
“Montereina” mortenseni (Ev. Marcus & Er. Marcus, 1963) represented as Discodoris mortenseni Ev. Marcus & Er. Marcus, 1963
“Montereina” muta (Bergh, 1877) represented as Discodoris muta Bergh, 1877
“Montereina” notha (Bergh, 1877) represented as Discodoris notha Bergh, 1877
“Montereina” opisthidia (Bergh, 1877) represented as Discodoris opisthidia Bergh, 1877
“Montereina” pallida (Baba, 1937) represented as Discodoris pallida Baba, 1937
“Montereina” pardalis (Alder & Hancock, 1864) represented as Discodoris pardalis (Alder & Hancock, 1864)
“Montereina” paroa (Burn, 1969) represented as Discodoris paroa Burn, 1969
“Montereina” phoca (Ev. Marcus & Er. Marcus, 1967) represented as Diaulula phoca (Ev. Marcus & Er. Marcus, 1967)
“Montereina” punctifera (Abraham, 1877) represented as Peltodoris punctifera (Abraham, 1877)
“Montereina” purcina (Ev. Marcus & Er. Marcus, 1967) represented as Discodoris purcina Ev. Marcus & Er. Marcus, 1967
“Montereina” rubra (Bergh, 1905) represented as Peltodoris rubra (Bergh, 1905)
Aaadonta Solem, 1976
Aaadonta angaurana Solem, 1976
Aaadonta constricta (C. Semper, 1874)
Aaadonta constricta babelthuapi Solem, 1976
Aaadonta constricta constricta (C. Semper, 1874)
Aaadonta constricta komakanensis Solem, 1976
Aaadonta fuscozonata (R. H. Beddome, 1889)
Aaadonta fuscozonata depressa Solem, 1976
Aaadonta fuscozonata fuscozonata (R. H. Beddome, 1889)
Aaadonta irregularis (C. Semper, 1874)
Aaadonta kinlochi Solem, 1976
Aaadonta pelewana Solem, 1976
Aartsenia Warén, 1991
Aartsenia arctica (Dall & Bartsch, 1909)
Aartsenia candida (Møller, 1842)
Aartsenia japonica (A. Adams, 1860)
Aartsenia martensi (Dall & Bartsch, 1906)
Aartsenia pupiformis (P. P. Carpenter, 1865)
Aartsenia sagamiensis Kuroda & T. Habe, 1971
Aartsenia sasagensis (Nomura, 1939) †
Aartsenia sikisimana (Nomura, 1939) †
Abavopsis Salvini-Plawen, 1973
Abavopsis latosoleata (Salvini-Plawen, 1973)
Abbadia Bourguignat, 1883 accepted as Macroptychia O. Boettger, 1877
Abbadia aethiopica Bourguignat, 1883 accepted as Macroptychia aethiopica (Bourguignat, 1883)
Abchasohela Hudec & Lezhawa, 1971
Abchasohela pachnodes (O. Boettger, 1884)
Abchasohela pergranulata (Hausdorf, 2001)
Abchasohela septentrionalis (Hausdorf, 2001)
Abchasohela stephaniae (Hudec & Lezhawa, 1970)
Abderospira Dall, 1896 † accepted as Roxania Leach, 1847
Abderospira pacifica T. Habe, 1956 accepted as Mimatys pacifica (T. Habe, 1956)
Abderospira punctulata (A. Adams, 1862) accepted as Mimatys punctulatus (A. Adams, 1862)
Abderospira umbilicata T. Habe, 1956 accepted as Mimatys umbilicatus (T. Habe, 1956)
Aberdaria Blume, 1965 accepted as Primigulella Pilsbry, 1919
Aberdaria franzi Blume, 1965 accepted as Primigulella franzi (Blume, 1965)
Abida W. Turton, 1831
Abida amanusensis Pallary, 1939 (uncertain > taxon inquirendum )
Abida antiqua (Zieten, 1832) † accepted as Granaria schuebleri (Klein, 1846) †
Abida antiqua grossecostata (Gottschick & Wenz, 1919) † accepted as Granaria grossecostata (Gottschick & Wenz, 1919) †
Abida antiqua noerdlingensis (Klein, 1846) † accepted as Granaria noerdlingensis (Klein, 1846) †
Abida ateni E. Gittenberger, 1973
Abida attenuata (Fagot, 1887)
Abida bigerrensis (Moquin-Tandon, 1856)
Abida bythiniformis (K. Miller, 1907) †
Abida cadica (Westerlund, 1902) accepted as Abida secale cadica (Westerlund, 1902)
Abida cadica brauniopsis Altimira, 1963 accepted as Abida secale brauniopsis Altimira, 1963
Abida catalonica (Bofill, 1886) accepted as Abida secale affinis (Rossmässler, 1839)
Abida catalonica valida Aguilar-Amat, 1932 accepted as Abida secale lilietensis (Bofill, 1886)
Abida costata Lueger, 1981 † accepted as Granaria costata (Lueger, 1981) †
Abida cylindrica (Michaud, 1829)