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Litostomatea: Haptoria: Pleurostomatida: Litonotidae

 Litonotus sp.
Wrzesniowski, 1870
Syn.: Lionotus

Litonotus Genus: Flask-shaped; elongate, flattened; anterior region neck-like; cilia only on right side; without trichocyst-borders; cytostome with trichocysts; two macronuclei (Kudo, 1966).
Species:
Similar Genus ->> Loxophyllum; Amphileptus

Litonotus sp. (loxphylliforme ?), cell body 70-75 μm long, μm wide, no neck region, posterior rounded, two macronuclei (?), a contractile vacuole posterior, x 400, Japan, 1997 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Litonotus Litonotus Litonotus

Litonotus sp. (?), x 400, by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Litonotus Litonotus Litonotus Litonotus Litonotus

Litonotus sp. (?), x 1000, by Y. Tsukii
scale 20 μm scale 40 μm scale 60 μm; x 1000
Litonotus

Litonotus sp. ??, x 400, x 640, Saitama Pref., May-June 1999 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
Litonotus Litonotus Litonotus

Litonotus fusidens (Kahl, 1926): Pear shaped, 100 μm long; no true neck region, posterior rounded; large trichocysts in the oral area; two macronuclei with intercalated micronucleus; a contractile vacuole posteior (Carey, 1992).

Litonotus loxphylliforme (Dragesco, 1960) (Syn. Hemiophrys loxphylliforme Dragesco, 1960): Resembles Loxophyllum; cell body elongate than pyriform (L. fusidens); 80-100 μm long; oral area equipped with large trichocysts; two spherical macronuclei; no contractile vacuole ? (Carey, 1992).

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