Definition of Oligotricha
: a suborder of Spirotricha comprising ciliated protozoans having the body ciliation reduced to a few large bristles or entirely absent and including numerous free-living aquatic forms (as the tintinnids) as well as the cellulose-digesting ciliates of the ruminant stomach — compare ophryoscolecidae, tintinnidae
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Origin and Etymology of oligotricha
New Latin, from olig- + -tricha
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