a major subclass of crustaceans

woodlice

one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming

any of various small terrestrial isopods having a flat elliptical segmented body; found in damp habitats

marine isopod crustacean

woodlice

one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming