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Oligohymenophorea (formerly Nassophorea): Peniculida: Frontoniina: Frontoniidae

Disematostoma minor
Kahl
(D. bütschlii var. minor Kahl, 1926)

Disematostoma minor Genus: Striated sutural regions dorsal and to rear of cytoproct; body tapers to rear from 3 sides (Illustrated Guide, 1985). Broadly rounded anterior end and bluntly pointed narrow posterior end; sausage-form macronucleus; a micronucleus; contractile vacuole middle of body with collecting canals; fresh water (Kudo, 1966).
Buccal structure is well-stained by azure C (Y. Tsukii, 2000).

Species: Cell body 75 μm; long (Kahl, 1930).
Similar Genus ->> Frontonia


Disematostoma minor, cell body 88 μm long, 55 μm wide, x 100, x 400, Saitama Pref., Japan, April 1999, by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Disematostoma Disematostoma

Disematostoma minor, a cell fixed with aceto-ethanol, cell body 92 μm long, 50 μm wide, cytostome 24 μm long, a macronucleus ellipsoidal, 25 μm long, 13 μm wide, x 400, x 640, Saitama Pref., Japan, April 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
Disematostoma Disematostoma

Disematostoma minor, cells stained with azure C, cell body μm long, μm wide, x 400, x 640, Saitama Pref., Japan, April 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
Disematostoma Disematostoma Disematostoma Disematostoma

D. bütschlii, Lauterborn: 135-155 μm long; with or without zoochlorella; fresh water (Kudo, 1966).
D. colpidioides von Gelei: Reniform, twisted; 100-160 μm long (Kudo, 1966).


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