The excretory system in Echinostome Cercariae (Trematoda)

Abstract

Cercaria mehrai (Faruqui) is redescribed, wilh special reference to the excretory system. The latter's importance is urged as a basis on which fundamental group relationships of the larval forms can be discavered. The echinastome cercarire are divided anew into three main groups. The clase relationships of the echinostome cercariae is discussed.