interambulacral plates
Additional calyx plates between the arm bases in stalked crinoids.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • 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

  • Crinoid — Crinoids Temporal range: Ordovician Recent …   Wikipedia

  • Dendraster excentricus — Eccentric Sand Dollar or Western Sand Dollar Ganges Harbour, BC Scientific classification Kingdom: Ani …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”