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Ulvophyceae: Ulotrichales: Ulotrichaceae

 Gloeotilopsis sp.
Iyengar & Philipose

Gloeotilopsis Genus: Without gelatinous sheath; without branching; filaments consist of many cells; planktonic; cell body cylindrical, apex of terminal cells rounded; septum slightly constricted; a parietal chloroplast plate-like with one or two pyrenoids (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:

Gloeotilopsis sp., cell body 9-14 μm long, 4.5 μm wide, x 400, x 640, Mizumoto Park, Katsushika-ku, Tokyo, Japan, July 2001 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Gloeotilopsis Gloeotilopsis

Gloeotilopsis planctonica Iyengar & Philipose: Thalli unbranched, short filaments clearly constricted at the cross wall, without mucilaginous sheath; cell body elontate cylindrical, 3-5 micron broad at the cross wall, 4-7 micron broad at the mid region of the cell; 8-24 micron long; chloroplasts a single, parietal, usually occupying the entire length of the cell; with 1-2 pyrenoids; (Photomicrog. Freshw. Alg. 13: 21, 1994)

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