Spirotricha

plural noun

Spi·​rot·​ri·​cha

spīˈrä‧trə̇kə

: a large order consisting of euciliate protozoans with well-developed peristome and adoral zone of membranelles and general body cilia that are uniform or variously reduced and fused into cirri and including the suborders Heterotricha, Oligotricha, and Hypotricha

Word History

Etymology

New Latin, from spir- + -tricha

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