Echinochasmus

Echinochasmus

(e-kī'nō-kaz'mŭs), A genus of digenetic flukes (family Echinostomatidae), particularly common in wading and fish-eating birds; the species Echinochasmus perfoliatus var. japonicus is reported as a rare intestinal parasite of humans in Japan. [echino- + G. chasma, open mouth]