Between brackets is the number of accepted species
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Shows the number of accepted species within the taxon
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- Mollusca (132 476)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (24 901)
- Class Caudofoveata (143)
- Class Cephalopoda (1 810)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 514)
- Class Lamellibranchiata accepted as Bivalvia
- Class Loricata accepted as Polyplacophora
- Class Mollusca incertae sedis † (372)
- Class Monoplacophora (229)
- Class Pelecypoda accepted as Bivalvia
- Class Polyplacophora (1 377)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Rostroconchia † (64)
- Class Scaphopoda (752)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Superorder Aplotegmentaria
- Superorder Pachytegmentaria
- Family Acanthomeniidae Salvini-Plawen, 1978 (6)
- Family Amphimeniidae Salvini-Plawen, 1972 (28)
- Family Apodomeniidae Kocot, Todt, N. T. Mikkelsen & Halanych, 2019 (1)
- Family Dondersiidae Simroth, 1893 (39)
- Family Drepanomeniidae Salvini-Plawen, 1978 (6)
- Family Epimeniidae Salvini-Plawen, 1978 (7)
- Family Gymnomeniidae Odhner, 1920 (8)
- Family Hemimeniidae Salvini-Plawen, 1978 (10)
- Family Heteroherpiidae Salvini-Plawen, 1978 (1)
- Family Imeroherpiidae Salvini-Plawen, 1978 (2)
- Family Lepidomeniidae Pruvot, 1902 (7)
- Family Macellomeniidae Salvini-Plawen, 1978 (6)
- Family Meiomeniidae Salvini-Plawen, 1985 (4)
- Family Myzomeniidae Thiele, 1894 accepted as Dondersiidae Simroth, 1893
- Family Neomeniidae Ihering, 1876 (19)
- Family Notomeniidae Salvini-Plawen, 2004 (1)
- Family Parameniidae Simroth, 1893 accepted as Pruvotinidae Heath, 1911
- Family Pararrhopaliidae Salvini-Plawen, 1972 accepted as Pruvotinidae Heath, 1911
- Family Perimeniidae Nierstrasz, 1908 accepted as Pruvotinidae Heath, 1911
- Family Phyllomeniidae Salvini-Plawen, 1978 (9)
- Family Proneomenidae Mitchell, 1892 accepted as Proneomeniidae Mitchell, 1892
- Family Proneomeniidae Mitchell, 1892 (43)
- Family Pruvotinidae Heath, 1911 (41)
- Family Pruvotiniidae Heath, 1911 accepted as Pruvotinidae Heath, 1911
- Family Rhipidoherpiidae Salvini-Plawen, 1978 (2)
- Family Rhopalomeniidae Salvini-Plawen, 1978 (14)
- Family Sandalomeniidae Salvini-Plawen, 1978 (2)
- Family Simrothiellidae Salvini-Plawen, 1978 (37)
- Genus Adoryherpia Gil-Mansilla, García-Álvarez & Urgorri, 2009 (2)
- Genus Aploradoherpia Salvini-Plawen, 2004 (1)
- Genus Birasoherpia Salvini-Plawen, 1978 (1)
- Genus Biserramenia Salvini-Plawen, 1967 (1)
- Genus Cyclomenia Nierstrasz, 1902 (1)
- Genus Diptyaloherpia Salvini-Plawen, 2008 (1)
- Genus Helicoradomenia Scheltema & Kuzirian, 1991 (4)
- Species Helicoradomenia acredema Scheltema, 2000
- Species Helicoradomenia bisquama Scheltema, 2000
- Species Helicoradomenia juani Scheltema & Kuzirian, 1991
- Species Helicoradomenia parathermalis Salvini-Plawen, 2008
- Genus Kruppomenia Nierstrasz, 1903 (13)
- Genus Plawenia Scheltema & Schander, 2000 (3)
- Genus Sensilloherpia Salvini-Plawen, 2008 (1)
- Genus Simrothiella Pilsbry, 1898 (5)
- Genus Spiomenia Arnofsky, 2000 (4)
- Family Solenogastres incertae sedis (4)
- Family Solenopodidae Koren & Danielssen, 1877 accepted as Neomeniidae Ihering, 1876
- Family Strophomeniidae Salvini-Plawen, 1978 (14)
- Family Syngenoherpiidae Salvini-Plawen, 1978 (2)
- Family Wireniidae Salvini-Plawen, 1978 accepted as Gymnomeniidae Odhner, 1920
- Subclass Chaetodermomorpha accepted as Caudofoveata
