trochelminth

trochelminth

(ˈtrɒkəlˌmɪnθ) n (Animals) any invertebrate of the former taxonomic group Trochelminthes, which included the rotifers and gastrotrichs, now classed as separate phyla[C19: from New Latin trochelminthes, from Greek trokhos wheel, from trekhein to run + helminth]