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Nov 30, 2009
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hy•ol•i•thid



Pronunciation: (hī-ol'i-thid), [key]
n.
any invertebrate of the extinct genus Hyolithes, most common in the Cambrian Period, having a limy, univalve shell, and thought to be related to the pteropods.

adj.
belonging or pertaining to Hyolithes.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

hyoidhyoscine
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