Zool. [f. Gr. κεφαλή + -ATE2. Cf. F. céphalé adj.] A mollusk having a distinct head, or belonging to the Encephalous division (Cephalata).

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1862.  Dana, Man. Geol., 155. The Ordinary Mollusks are usually divided into—… The Cephalates, having a head.

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