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Nassophorea: Microthoracida: Microthoracidae

Microthorax costatus

Microthorax Genus: Cytostome in rear 1/3 of body (Illustrated Guide, 1985). Irregular, almost triangular in shape; anterior pointed; posterior rounded; distinctly flattened with a delicate keeled armour; somatic ciliation reduced; ventrally 3 longitudinal cilary rows; cytostome in a depression at posterior ventral region; tooth-like projection on the left side (Carey, 1992).
Species: Cell body 25 μm long (Kahl, 1930).
Similar Genus ->> Drepanomonas; Kreyella

Microthorax costatus, cell body 27 μm long, 17 μm wide, x 400, x 640, Uruguay, November 1999, photo by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Microthorax Microthorax Microthorax Microthorax Microthorax

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