What is (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 called?

perforata — (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. (Webster's 1913.)

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