Family: Unicells or colonies of non-fixed number of cells; cell body variable in shape; one or more chloroplasts variable in shape; asexual reproduction by autospore or autocoenobium (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Unicellular; planktonic; cell body oval or ellipsoidal, both ends rounded, covered with many elongated spiny-projections; one or 2-4 chloroplasts parietal plate-like with a single pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).

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F. ovalis ? cell 13 x 9 μm hairs 8 μm Uruguay, 1999	F. ovalis ? cell 13 x 10 μm hairs 8 μm Ueno Tokyo, 2001	F. ovalis ? cell 13 X 11 μm hairs 10 μm Kawagoe Saitama, 2001	F. ovalis ? cell 12 X 9-10 μm Jizoh-bori Sannoh Park Saitama, 2005
Franceia sp., ? cell 5.5 μm hairs ~11 μm Abiko Chiba, 2000	Franceia sp., ? cell 15 μm hairs ~20 μm Hasu-ike Shiga highland Nagano, 2005

Similar genus --> Golenkinia (zoospores/autospores);
Dicellula (autocoenobium);

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