a former phylum of the Metazoa which included the class Nematoda and a disparate assortment of other pseudocelomates, each now accorded separate phylum status; they are nonsegmented, bilaterally symmetric, and cylindric or filiform, with a pseudocele body cavity and rounded or pointed ends; they vary considerably in size, and the male is usually smaller than the female.
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... much besides caterpillars and other larvas... eew :? When I was student, when I had to study invertebrates, I fainted in lab twice, when I studied Aschelminthes and Annelida awww shame on me :oops: :oops: :roll:
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