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Spirotrichea: Stichotrichida: Sporadotrichina: Trachelostylidae

Urosoma sp.
Kowalewski, 1882

Urosoma Suborder: Ventral cirri not as distinct files, except Gastrostyla.
Family: Frontoventral cirri scattered on forward part, sometimes on rear part; never on mid area of ventrum (Illustrated Guide, 1985).

Genus: Elongate, narrowed posteriorly to form a pointed tail; dorsoventrally flattened; AZM small, 1/4 body length; marginal cirri confluent posteriorly; two macronuclei (Carey, 1992). Body may have tail; one or more frontoventral cirri; postoral cluster of 3 cirri present (Illustrated Guide, 1985).
Similar Genus ->> Uroleptus

Urosoma sp. ??, cell body 60 μm long, 15 μm wide, x 400, x 640, Japan, May-June 1999 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Urosoma Urosoma Urosoma

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