Genus: Filament without branching; cell body cylindrical; each cell wall consists of two parts with "H" structure overlapping at the midregion; chloroplasts many, disc-shaped, without pyrenoids (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: Filaments 5-6 μm wide, up to 14 times longer than the width; chloroplasts 2 or 3 in number, elongated plate-like (Süßwasserflora von Mitteleuropa 3, Xanthophyceae 1, 1978).
Google Image Search
T. affine ?
16-28 x 5 μm
2 chloroplasts
near Oyomi marsh
Hakuba
Nagano, 2004
T. affine
33-37 x 4.5 μm
chloroplasts
Watarase Wetland
Fujioka
Tochigi, 2005
T. affine ?
32-44 x 5 μm
chloroplasts
Kitamoto nature o.p.
Kitamoto
Saitama, 2005
T. affine ?
40-50 x 4 μm
2 chloroplasts
Numa-no-hara m.
Madarao highland
Niigata, 2005
T. affine ?
16-24 x 5 μm
2 chloroplasts
near Karakemi m.
Omachi
Nagano, 2005
T. affine ?
25-38 x 6.5 μm
2 chloroplasts ?
Nidanuma
Tsuchiyu-onsen
Fukushima, 2005
T. affine
22-27 x 5 μm
chloroplasts
Gunma-no-suigo
Itakura
Gunma, 2006
