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Litostomatea: Haptoria: Pleurostomatida: Amphileptidae

Amphileptus sp.
Ehrenberg, 1830
Syn.: Hemiophrys Wrzesniowski, 1870

Amphileptus Genus: Flask-shaped; ciliation uniform and complete; slit-like cytostome not reaching the middle of body, without trichocyst-borders; two or more macronuclei (Kudo, 1966). Many contractile vacuoles along both dorsal and ventral edges (Carey, 1992).
Species:


Amphileptus sp., similar to inquieta but pointed both anteriorly and posteriorly, cell body 430 μm long, 64 μm wide, two elongated ellipsoidal macronuclei, 55 μm long, 15 μm wide, x 200 & x 400, Japan, 1997 by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200
Amphileptus Amphileptus
scale 50 μm scale 100 μm scale 150 μm; x 400
Amphileptus Amphileptus Amphileptus

A. inquieta (Biernacka, 1963): 170-200 μm long; with an elongate neck & rounded posterior; a row of four contractile vacuoles present laterally; two large spherical macronuclei (Carey, 1992).
A. lanceolatus Dragesco, 1965: lanceolate in form; 120 μm long; pointed both anteriorly and posteriorly; no elongate neck region; trichocysts in the buccal region and also scattered throughout cytoplasm; mucocysts present; a macronucleus consisting of two spherical bodies with a intercalated micronuleus; a single contractile vacuole with satellite vacuoles (Carey, 1992).


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