Genus: cell body flat, constricted at the center; semicell ellipsoidal or subtriangular, central area of the apex slightly elevated,
cells connected with each other at their central area of apex forming filament.
Species:
Spondylosium sp.,
cell body 15 μm long, 12 μm wide,
x 640, Goryo (Mitama) shrine, Sanda city, Hyogo Pref., Japan, November 2001 by Y. Tsukii
31 μm
63 μm
94 μm; x 640