myzostomata

My`zo*stom"a*ta, n. pl. Etym: [NL., fr. Gr. my`zein to suck + sto`ma, -atos, mouth.] (Zoöl.) Defn: An order of curious parasitic worms found on crinoids. The body is short and disklike, with four pairs of suckers and five pairs of hook-bearing parapodia on the under side.

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