Schizochitonidae

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Chitonida	Acanthochitonidae Callistoplacidae Callochitonidae Chaetopleuridae Chitonidae Choriplacidae Cryptoplacidae Hemiarthridae Ischnochitonidae Lepidochitonidae Loricidae Mopaliidae Schizochitonidae Schizoplacidae Tonicellidae †Makarenkoplacidae
Lepidopleurida	Abyssochitonidae Hanleyidae Leptochitonidae Nierstraszellidae Protochitonidae
Neoloricata	Chaetopleuridae Chitonidae Ischnochitonidae Mopaliidae Schizochitonidae †Abyssochitonidae †Cryptoplacidae †Xylochitonidae
†Chelodida	†Chelodidae
†Multiplacophora	†Hercolepadidae †Strobilepidae
†Septemchitonida	†Alastegiidae †Aulochitonidae †Echinochitonidae †Gotlandochitonidae †Helminthochitonidae †Mattheviidae †Preacanthochitonidae †Scanochitonidae †Septemchitonidae
sans ordre	†Callochitonidae †Dycheiidae
Familles de mollusques du Portail:Malacologie par ordres : Apla Biva Caud Ceph Gast Helc Mono Poly Rost Scap Sole Terg ††††