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Prostomatea: Prorodontida: Colepidae

 Coleps heteroacanthus
Noland

Coleps heteroacanthus Genus: Body form barrel-shaped; with regularly arranged ectoplasmic plates; cytostome at anterior end, surrounded by slightly longer cilia; often spinous projection at or near posterior end; one or more long caudal cilia (Kudo, 1966).
Species: Cell body about 90 μm long, 35 μm wide; anterior spines only one side; posterior spines many (?); caudal cilium present (Kudo, 1966).

Coleps heteroacanthus Noland, cell body 105 μm long, 64 μm wide, L/W=1.6, x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Coleps Coleps Coleps
Cell body 100 μm long, 63 μm wide, L/W=1.6, x 640
Coleps Coleps Coleps Coleps Coleps Coleps
Cell body 111 μm long, 63 μm wide, L/W=1.8, scales about 4.5 μm long, spiny projections about 10 μm long, x 640
Coleps Coleps Coleps Coleps Coleps Coleps

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