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nautiloid
nau·ti·loid N0033900 (nôt′l-oid′)n. Any of various marine cephalopod mollusks formerly classified in the subclass Nautiloidea, including the nautiluses and numerous extinct species known only from fossils. [From New Latin Nautiloīdea, former subclass name : Latin nautilus, nautilus; see nautilus + Greek -oeidēs, -oid.] nau′ti·loid adj.nautiloid (ˈnɔːtɪˌlɔɪd) n (Animals) any mollusc of the Nautiloidea, a group of cephalopods that includes the pearly nautilus and many extinct formsadj (Animals) of, relating to, or belonging to the NautiloideaEncyclopediaSeeNautiloideanautiloid
nautiloid any mollusc of the subclass Nautiloidea, a group of cephalopods related to the fossil ammonites, which produce a large spiral chambered shell, in the last chamber of which the animal lives. |