Keys to the Trematoda

This is the third of three volumes of Keys to the Trematoda, a series on the systematics and identification of the Class Trematoda. It covers five superfamilies with the Order Plagiorchiida and the family Didymozoidae, with the keys for their identification at the family, subfamily and generic levels. It also includes a key to all dignean superfamilies, including those treated in detail in volumes one and two.