tunicates, protozoan, nematode worm, monotremes, green alga, rotifer, ciliates, echinoderms, annelids, bryozoan, jawless fish, killifish, planaria, metazoans, planarian, crinoids, chordates, gastropod, schistosoma, ostracods, damselfish, stickleback, paramecium, polychaete, trematode, limpets, bufo, loaches, teleost fish, brachiopod, nudibranchs, platypuses, legless lizard, woodlice, whiptail, hyrax, radula, hermaphrodites, molluscs, spirochetes, ichthyosaurs, springtails, pteropod, fungus gnat, ambystoma, catfishes, protist, mycelia, caecilians, crustacea, ruffe, xenopus laevis, flatfishes, bilaterally symmetrical, wormlike, scutes, entamoeba, collembola, butterflyfish, loach, eukaryote, motile, prokaryote, ameba, oviducts, conodonts, peroxisome, japonicus, sea anemone, anopheles, honeycreepers, organisms, meadow vole, amoebae, tadpole shrimp, xenopus, ferox, teleost, mouthparts, plastids, comb jelly, scorpionfish, blennies, whipworm, barbels, copepod, embryonic tissue, tuataras, medicinal leech, parasitic worm, mantids, botfly, mole rat, tadpoles, gobies, sea squirt, drosophila, cartilaginous fish, genus plasmodium, hirudo medicinalis, hairlike, chimaera, protozoa, amphibians, arthropods, crustaceans, nematodes, protozoans, algae, flagellates, gastropods, invertebrates, protists, carnivores, fishes, infusoria, mammals, mollusks, reptiles

blood fluke, cestode, class trematoda, class turbellaria, flame cell, fluke, phylum platyhelminthes, planaria, planarian, platyhelminthes, schistosome, tapeworm, trematoda, trematode, trematode worm, turbellaria