Description of Oxytrichidae
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Sporadotrichine ciliates, frontoventral cirri scattered over mid-area of ventral surface, usually with three cirri posterior to posterior vertex of oral region but several genera with conspicuous files of cirri (e.g., Laurentiella, Onychodromus); division morpho-genesis shows 6 frontoventral anlagen streaks that make a longitudinal fan-like form.
