Genus: Pseudostome lacks lobed collar; test round or oval in cross-section;
with or lacking a collar (Illustrated Guide, 1985).
Species: 80-130 μm long; 60-105 μm diam.; test, like D. acuminata but shorter, broader; short neck constricted at pseudostome, flared as collar; hollow spine at base; yellow to brown; imbedded siliceous particles; pseudostome 45-55 μm (Illustrated Guide, 1985). |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Difflugia elegans or Difflugia accuminata var. inflata Penard or D. curvicaulis Penard ?,
test 185 μm long (including spiny projection about 25 μm), 93 μm wide, L/W=2.0,
pseudostome 38 μm wide,
x 400, x 640, Shibu-ike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 19, 2005 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
