AMPHITROCHA

Source: 567

‖Am‐phit″ro‐cha (ăm‐fĭt″rō̍kȧ), n. [[NL., fr. Gr. αμφἴ + τροχόσ a wheel.]] (Zoöl.) A kind of annelid larva having both a dorsal and a ventral circle of special cilia.