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Oligohymenophorea (formerly Nassophorea): Peniculida: Urocentridae

Urocentrum turbo
Müller

Urocentrum Genus (Nitzsch): Body short, cylindrical; body cilia as two distinct girdles, and a distinct tuft at rear (Illustrated Guide, 1985). Short cocoon-shaped, constricted in the middle; ventral surface flat; two broad girdles of cilia; fused cilia at posterior end (Kudo, 1966).
Species: 50-80 μm long; unique movement (Kudo, 1966).


Urocentrum sp., a dividing cell, cell body (excluding caudal cilia) 70 μm long, 34 μm wide, x 400, Japan, December 1998 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Urocentrum Urocentrum


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