hyperoartia

Hyperoartia

Hy`per*o*ar"ti*a\, n. pl. [NL.] (Zo["o]l.) An order of marsipobranchs including the lampreys. The suckerlike moth contains numerous teeth; the nasal opening is in the middle of the head above, but it does not connect with the mouth. See Cyclostoma, and Lamprey.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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