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Litostomatea: Haptoria: Pharyngophorida: Tracheliidae

 Trachelius subtilis
Penard, 1922

Trachelius subtilis Genus: Body oval to round, rear rounded; 1 proboscis (Illustrated Guide, 1985). Round cytostome at base of neck; contractile vacuoles many (Kudo, 1966).
Species:

Trachelius subtilis, cell body 162 μm long, 72 μm wide, x 100 , x 400, Shinrin-koen, Namegawa town, Saitama Pref., Japan, October 1998, by Y. Tsukii
ovum small variety ?; but the shape of cytostome and the size of contractile vacuoles are different from those of ovum
scale 50 μm scale 100 μm scale 150 μm; x 400
Trachelius Trachelius

Trachelius, x 200, x 400, December 1998 by Y. Tsukii
Trachelius Trachelius

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