Family [Gonatozygaceae]: Cell body cylindrical, slightly swelled at both ends, loosely attached with each other to form a filament; cell wall consists of a single partition, two layers, with small pores, covered with dots, granules or short spines; chloroplast ribbon-like, with many aligned pyrenoids.
Genus: Two chloroplasts plate-like or slightly spiralled; a nucleus centrally located between the chloroplasts; mostly unicells, filaments rare (Illustrations of The Japanese Fresh-water Algae, 1977).
G. pilosum
var. echinatum
3 clips
80 x 5.5 μm
L/W= 14.5
Hiroshima, 1998
G. kinahani
3 clips
134 x 12 μm
L/W= 11.2
Hiroshima, 1998
G. kinahani
6 clips
134 x 12 μm
L/W= 11.2
Hiroshima, 1998