Py`go*bran"chi*a (?), n. pl. [NL., fr. Gr. pugh` the rump + a gill.] Zool.

A division of opisthobranchiate mollusks having the branchiae in a wreath or group around the anal opening, as in the genus Doris.

 

© Webster 1913.

Log in or registerto write something here or to contact authors.