Definition of Scolecida
in some classifications
: a phylum or other major division of Metazoa that comprises triploblastic bilaterally symmetrical invertebrate animals lacking a true coelom and having nonstriated musculature, a nonmetameric nervous system, and a primitive or no circulatory system and that includes Platyhelminthes, Nemertea, Acanthocephala, Gastrotricha, Rotifera, Nematoda, Nematomorpha, Kinorhyncha, and Entoprocta — compare aschelminthes
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Origin and Etymology of scolecida
New Latin, from scolec- + -ida
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