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). |
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 1, 2006 by Y. Tsukii
