Family: Unicells; cell wall present; two flagella (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus:

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L. ampla cell μm flag. μm Shimo-muneoka Shiki Saitama, 2004

L. ampla cell 18 x 12 μm flag. 20 μm Chiko-zan p. Sayama Saitama, 2005

Similar genus -->> Sphaerellopsis; Pteromonas;

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