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Acteonidae Family (3)
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Actinocyclidae Family (5)
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Aegiridae Family (10)
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Aeolidiidae Family (13)
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Aglajidae Family (25)
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Aplustridae Family (4)
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Aplysiidae Family (16)
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Arminidae Family (20)
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Babakinidae Family (1)
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Bornellidae Family (4)
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Bullidae Family (3)
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Bullinidae Family (1)
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Cadlinidae Family (2)
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Caliphyllidae Family (6)
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Cavoliniidae Family (1)
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Chromodorididae Family (128)
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Colinatydidae Family (1)
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Colpodaspididae Family (2)
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Cylichnidae Family (4)
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Dendrodorididae Family (13)
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Discodorididae Family (81)
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Dorididae Family (4)
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Dotidae Family (8)
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Embletoniidae Family (1)
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Facelinidae Family (53)
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Fionidae Family (64)
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Flabellinidae Family (10)
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Gastropteridae Family (7)
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Glaucidae Family (2)
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Goniodorididae Family (31)
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Gymnodorididae Family (30)
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Haminoeidae Family (24)
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Hancockiidae Family (1)
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Hermaeidae Family (6)
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Hexabranchidae Family (1)
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Ilbiidae Family (1)
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Janolidae Family (2)
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Juliidae Family (3)
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Limapontiidae Family (9)
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Lomanotidae Family (7)
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Madrellidae Family (2)
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Mnestiidae Family (1)
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Okadaiidae Family (1)
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Onchidorididae Family (3)
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Oxynoidae Family (5)
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Philinidae Family (4)
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Phyllidiidae Family (27)
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Plakobranchidae Family (46)
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Pleurobranchidae Family (10)
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Polyceridae Family (29)
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Retusidae Family (3)
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Ringiculidae Family (3)
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Runcinidae Family (3)
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Samlidae Family (5)
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Tritoniidae Family (15)
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Tylodinidae Family (1)
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Umbraculidae Family (1)
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Unidentiidae Family (9)