Species: Colony ellipsoidal in shape (up to 90-150 μm long), consisting of 32 or 16 cells; vegetative cells spherical, up to 18-20 μm in diam., with several pyrenoids (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
Colony ellipsoidal (sometimes nearly spherical), 60-200 μm long, consisting of 32 or 16 or 64 cells; colony of 32 cells consisting by a stacking of 5 chaplets (4 + 8 + 8 + 8 + 4); vegetative cells spherical or nearly spherical, with equal sizes, 12-24 μm in diam.; papilla absent; chloroplast cup-shaped, sometimes radially striated; number of pyrenoids up to 5 (young cells with only one); stigma conspicuous (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).
Colony of 32 or 64 cells within a smooth-layered gelatinous envelope 60-120 μm diam.; vegetative cells spherical, 8-10 μm diam., with 2 flagella, 1 chloroplast cup-shaped, 1 pyrenoid (Illustrations of The Japanese Fresh-water Algae, 1977).

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Colony ovoid or ellipsoid; each cells with many small pyrenoids
E. elegans col. x μm Japan, 199?	E. elegans cell division Soka Saitama, 2002	E. elegans anisogamy col. 70 x 60 μm cells 12 μm Saitama, 2000	E. elegans Tom-2A-1, axenic col. 66 x 62 μm Otawara Tochigi, 2000
E. elegans ? col. 50 x 43 μm cells 9 μm Koshigaya Saitama, 2001	E. elegans ? col. 75 x 8 μm Japan, 1999	E. elegans or E. cylindrica ? st. Kurihashi-1, axenic col. x μm Kurihashi Saitama, 2001	E. elegans cell μm Japan, 1998
E. elegans colony inversion anisogamy ? Koma river Sakado Saitama, 2003	E. elegans col. 108 x 90 μm cells 13-16 μm Ushiroya Park Saitama, 2002	E. elegans col. 62 μm cells 16 μm near Town Hall Shobu Saitama, 2004	E. elegans col. 72, 92 μm cells 11-13, 19 μm Muneoka Shiki Saitama, 2004
E. elegans col. 75 x 65 μm cells 10 μm Oyomi marsh Hakuba Nagano, 2004	E. elegans ? col. 138 x 105 μm cells 11-19 μm Takasaka Saitama, 2002	E. elegans ? col. 75-125 μm cells 9-21 μm Shiken-zaike Kamikawa Saitama, 2004

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