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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Per·fo·ra·ta n. pl.  Zool. (a) A division of corals including those that have a porous texture, as Porites and Madrepora; -- opposed to Aporosa. (b) A division of Foraminifera, including those having perforated shells.
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From: Webster's Revised Unabridged Dictionary (1913)

 Ap·o·ro·sa n. pl.  Zool. A group of corals in which the coral is not porous; -- opposed to Perforata.
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