Genus: Free-living; skeleton with or without coat; cuirass made of scales and of the basal part
of the spicules; coat indistinguishable (Illustrated Guide, 1985).
Siliceous scales arranged tangentially and radiating siliceous spines with pointed or
bifurcated ends; (Kudo, 1966).
Species: |
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Dojo-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
