a. [f. as prec. + -ED.] = BIVALVE a.: a. in Zool.; b. in Bot.

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  a.  1755.  Gentl. Mag., XXV. 31. A shell is said to be bivalved when it consists of two parts or leaves.

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1872.  Nicholson, Palæont., 159. Small Bivalved Crustaceans.

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  b.  1852.  E. Hamilton, Flora Homœop., 185. A thin, bivalved, white, ligneous shell (endocarp).

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