(kō-ā'nō-tē'nē-ă in'fŭn-dib'yū-lŭm), An important species of cosmopolitan tapeworm of fowl, occurring in the small intestine and transmitted by houseflies and stableflies; related to Dipylidium, the double-pored dog tapeworm. [G. choanē, a funnel, + L., fr. G. tainia, tapeworm]