pedicellaria

[ped-uh-suh-lair-ee-uh]

ped·i·cel·lar·i·a

[ped-uh-suh-lair-ee-uh]
noun, plural ped·i·cel·lar·i·ae [-ee-ee] . Zoology.
one of the minute pincerlike structures common to starfish and sea urchins, used for cleaning and to capture tiny prey.

Origin:
1870–75; < Neo-Latin; see pedicel, -aria
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Pedicellaria is always a great word to know.
So is chordata. Does it mean:
phylum comprised of mollusks
phylum comprised of chordates
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