(Zool.) A suborder of Turbellaria including those that have a simple cylindrical, or saclike, stomach, without an intestine.
Rhabdocoela
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Rhabdocoela
[‚rab·də′sē·lə] (invertebrate zoology) Formerly an order of the Turbellaria, and now divided into three orders, Catenulida, Macrostomida, and Neorhabdocoela.