Having the legs similar in structure; belonging to the Isopoda.

Small, sessile-eyed crustaceans similiar to amphipods but flattened from above of the Order Isopoda include sand and beach fleas and pond louse

any of various small terrestrial or aquatic crustaceans with seven pairs of legs adapted for crawling

Aquatic crustacean with a flat, oval body and seven pairs of walking legs of similar size and form, each pair attached to the thorax.

the group of crustaceans including pillbugs, all sharing a dorso-ventrally flattened body, 7 pairs of walking legs, 5 posterior gills (pleopods), and formation of the marsupium in females.