interambulacral plates

interambulacral plates
(ECHINODERMATA: Crinoidea)
Additional calyx plates between the arm bases in stalked crinoids.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • bourrelet — n. [F. bourrelet, circular pad] . A ridgelike prominence or rounded edge. 1. (ARTHROPODA: Insecta) see parameres. 23. (ECHINODERMATA) A raised prominence on the interambulacral plates at the edge of the mouth. 3. (MOLLUSCA: Bivalvia) A ligamental …   Dictionary of invertebrate zoology

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