image_list image_listE

Oligohymenophorea (formerly Nassophorea): Peniculida: Frontoniina: Frontoniidae

Disematostoma bütschlii
Lauterborn, 1894

Disematostoma 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 140-155 μm; long (Kahl, 1930).
Similar Genus ->> Frontonia


Disematostoma bütschlii Lauterborn, cell body 240 μm long, 136 μm wide, x 200, x 400, x 640, a pond near the entrance of climbing route to Omine mountain, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Disematostoma bütschlii Disematostoma bütschlii Disematostoma bütschlii

Images of collecting locality: a pond near the entrance of climbing route to Omine mountain, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 by Y. Tsukii

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).


Please click on images for viewing enlarged.
Copyright Protist Information Server