• Webster's Revised Unabridged Dictionary
    • n. pl Acetabulifera (Zoöl) The division of Cephalopoda in which the arms are furnished with cup-shaped suckers, as the cuttlefishes, squids, and octopus; the Dibranchiata. See Cephalopoda.
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Century Dictionary and Cyclopedia
    • acetabulifera A name introduced by D'Orbigny, 1834, as an ordinal term for the cephalopods with suckers on the inner faces of the arms, that is, the cuttlefishes, squids, and all other living cephalopods except the Nautilidæ. Same as Cryptodibranchiata and Dibranchiata (which see).
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Webster's Revised Unabridged Dictionary
NL. See Acetabuliferous