interambulacral areas
(ECHINODERMATA: Echinoidea)
The radially arranged arms (typically 5) that do not bear tube feet or podia; see ambulacral areas.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • ambulacral areas — (ECHINODERMATA: Asteroidea) The radially arranged arms (typically 5) bearing the tube feet or podia; see interambulacral areas …   Dictionary of invertebrate zoology

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  • Crinoid — Crinoids Temporal range: Ordovician Recent …   Wikipedia

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