a. [f. as prec. + -(I)FORM.] Having the form of a round shield.

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1828.  Stark, Elem. Nat. Hist., II. 302. Scolitarii…. Body subovoid or cylindrical; linear or clypeiform.

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1872.  H. A. Nicholson, Palæont., 159. The carapace is clypeiform.

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