Family: More ore less broadly ovate, granular mass postcentral,
usually surrounded by clear border.
Genus: Without pseudopods from clear border; body mass as a post-central hump
(Illustrated Guide, 1985).
Similar Genus -->> Cochliopodium;
Vannella;
Hyalodiscus rubicundus Hertwig & Lesser 1874,
test 24 μm long, 30 μm wide, L/W=0.8,
x 640, water reservoir, Kumakubo, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, August 21, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii
31 μm
63 μm
94 μm; x 640