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Litostomatea: Haptoria: Pharyngophorida: Tracheliidae

Dileptus anser
(Müller, 1786) Dujardin, 1841 (1840 ?)

Dileptus Genus: Body long, rear usually pointed (Illustrated Guide, 1985). Elogate; snout or neck-like prolongation (proboscis) conspicuous; contractile vacuoles two or more (Kudo, 1966). Contractile vacuoles usually lie in a row along the dorsal surface (Carey, 1992).
Species: 250-400 (sometimes up to 600) μm long; numerous macronuclei; contractile vacuoles in a row on the aboral surface (Kudo, 1966). 200-600 μm long; small tail region; 200-500 very small macronuclei; contractile vacuoles from anterior to posterior on the dorsal surface (Carey, 1992).
Similar Genus ->> Trachelius; Paradileptus;


Dileptus anser (Müller, 1786) Dujardin ?, algal endosymbionts present, cell body ?? μm long, 30 μm wide, L/W=, x 100, x 200, x 400, x 640, Yukawa-numa (pond), Nishiwaga-machi (town), Iwate Pref., Japan, July 28, 2007 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
Dileptus Dileptus Dileptus Dileptus Dileptus

Images of collecting locality: Yukawa-numa (pond), Nishiwaga-machi (town), Iwate Pref., Japan, July 28, 2007 by Y. Tsukii


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