• Webster's Revised Unabridged Dictionary
    • n. pl Plectospondyli (Zoöl) An extensive suborder of fresh-water physostomous fishes having the anterior vertebræ united and much modified; the Eventognathi.
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Century Dictionary and Cyclopedia
    • plectospondyli An order of fishes having a precoracoid arch, a symplectic but no coronoid bones, and the anterior vertebræ coössified and connected with the auditory apparatus by a chain of little bones. It contains the cyprinids, characinids, and gymnonotous fishes—all of fresh water.
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Webster's Revised Unabridged Dictionary
NL., fr. Gr. plaited + , , a vertebra