Anat. Pl. epimera. [f. Gr. ἐπί upon + μηρός thigh.] That part of the lateral wall of a somite of a crustacean which is situated between the articulation of the appendage and the pleuron.

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1872.  H. A. Nicholson, Palæont., 146. The superior arc is completed by two lateral pieces … which are termed the ‘epimera.’

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1880.  Huxley, Crayfish (ed. 6), iv. 143.

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