| aplacophora | <zoology> A division of Amphineura in which the body is naked or covered with slender spines or setae, but is without shelly plates. Origin: NL, fr. Gr. Priv. + a flat cake + to bear. Source: Websters Dictionary (01 Mar 1998) |
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| aplacophora | an order of Amphineura |
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| aplacophora | deep-water wormlike mollusks lacking calcareous plates on the body but having fine slimy spicules on the covering mantle |
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