Family: Unicells; cell wall separating into two parts (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
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Similar genus -->> Phacotus; Coccomonas;
H. maeandrocystis
cell μm
test 19 x 14 μm
Watarase Wetland
Fujioka
Tochigi, 2005
Hemitoma sp. ?
cell 14 x 11 μm
Hazama marsh
Ashikaga
Tochigi, 2006