Flat worms Some species prey on earthworms, while others may also feed on mollusks. Historically, planaria were classified by their ‘ecotype’, or where they occurred, as there are species that live on land in terrestrial ecosystems, freshwater ecosystems, or in marine ecosystems. Tapeworms have segmented bodies and each segment is known as proglottid. Genres: Garage Punk, Post-Punk. Aug 27, 2014 ยท Marine flatworms are some of the most fascinating, although simple, creatures in the world’s oceans. There are about 4,500 species, which range from 1 mm (0. This phylum includes 13,000 species. Albums include Flat Worms, Antarctica, and Into the Iris. Explore Flat Worms's biography, discography, and artist credits. Frontman Will Ivy is flanked by drummer Justin Sullivan (Kevin Morby, The Babies) and bassist Tim Hellman, who’s played with Ty Segall and Oh Sees. eapglczalnnjeyaxbnsdrizlvxarduvvdxopuudyqibmwkpvauiejsxqwlmubhlsnsmybthsthtouvcm