Aspidogastrea

The Aspidogastrea (Ancient Greek: ' “shield”, ' “stomach/pouch”) is a small group of flukes comprising about 80 species. It is a subclass of the trematoda, and sister group to the Digenea. Species range in length from approximately one millimeter to several centimeters. They are parasites of freshwater and marine molluscs and vertebrates (cartilaginous and bony fishes and turtles). Maturation may occur in the mollusc or vertebrate host. None of the species has any economic importance, but the group is of very great interest to biologists because it has several characters which appear to be arc

species of worm

Rugogastridae is a family of trematodes in the order Aspidogastrida. It consists of a single genus, Rugogaster Schell, 1973.

species of worm

Aspidogastridae is a family of trematodes in the order Aspidogastrida.