[{"n": "Nematode", "u": "/e/part-1/nematode/", "s": "Roundworms that dominate Earth's ecosystems in number and diversity."}, {"n": "Nematomorpha", "u": "/e/part-1/nematomorpha/", "s": "Parasitoid worms that drive hosts to water"}, {"n": "Nemertea", "u": "/e/part-1/nemertea/", "s": "Ribbon worms use a venomous proboscis to capture prey."}, {"n": "Nereididae", "u": "/e/part-1/nereididae/", "s": "Ragworms and clamworms: marine polychaetes with compound setae and a distinctive pharynx bearing jaws."}, {"n": "Oligochaeta", "u": "/e/part-1/oligochaeta/", "s": "Soft-bodied annelids including earthworms and many aquatic worms."}, {"n": "Onychophora", "u": "/e/part-1/onychophora/", "s": "Velvet worms are terrestrial predators that capture prey with adhesive slime."}, {"n": "Orthonectida", "u": "/e/part-1/orthonectida/", "s": "Microscopic parasites among the simplest multicellular organisms."}, {"n": "Ottoia", "u": "/e/part-1/ottoia/", "s": "A priapulid worm that dominated Cambrian seafloor ecosystems."}, {"n": "Phoronid", "u": "/e/part-1/phoronid/", "s": "Small marine worms that filter-feed with a lophophore."}, {"n": "Polychaete", "u": "/e/part-1/polychaete/", "s": "Diverse marine annelids with bristle-bearing parapodia."}, {"n": "Priapulida", "u": "/e/part-1/priapulida/", "s": "Marine worms with a spiny proboscis, known as living fossils."}, {"n": "Riftia", "u": "/e/part-1/riftia/", "s": "Giant tubeworm that thrives on chemosynthesis at hydrothermal vents."}, {"n": "Dickinsonia", "u": "/e/part-1/dickinsonia/", "s": "Enigmatic Ediacaran organism with debated animal affinity."}, {"n": "Eucestoda", "u": "/e/part-1/eucestoda/", "s": "Larger subclass of tapeworms, endoparasites of vertebrates."}, {"n": "Giant Gippsland earthworm", "u": "/e/part-1/giant-gippsland-earthworm/", "s": "A giant Australian earthworm living in deep burrows."}, {"n": "Sipuncula", "u": "/e/part-1/sipuncula/", "s": "Marine worms with a retractable introvert and unsegmented body."}, {"n": "Taenia solium", "u": "/e/part-1/taenia-solium/", "s": "A tapeworm causing two distinct human infections."}, {"n": "Trematoda", "u": "/e/part-1/trematoda/", "s": "Obligate internal parasites with complex, multi-host life cycles."}, {"n": "Tubifex", "u": "/e/part-1/tubifex/", "s": "Genus of segmented worms used as fish food and found in sewers."}, {"n": "Turbellaria", "u": "/e/part-1/turbellaria/", "s": "Free-living flatworms, mostly predators, with ciliated skin (traditional grouping, now considered paraphyletic"}, {"n": "Xenacoelomorpha", "u": "/e/part-1/xenacoelomorpha/", "s": "Small marine worms at the base of bilaterian evolution."}]