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Bacillariophyceae: Pennales: Raphidineae: Naviculaceae

Frustulia rhomboides
(Ehrenberb) De Toni var. rhomboides

Frustulia Genus:
Species:


Frustulia rhomboides (Ehrenberb) De Toni ?, cell body 62 μm long, 14 μm wide, L/W=4.4, x 640, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, July 10, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Frustulia rhomboides


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