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Chlorophyceae: Chlorococcales: Oocystaceae

 Monoraphidium sp.

Monoraphidium Genus: Cell body elongated spindle in shape, straight or curved, sharply pointed at both ends; (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:

Monoraphidium sp. small variety ?, cell body 66 μm long, 3 μm wide, tapered at both ends, two pyrenoids present, x 400, x 640, Shinobazu-ike (pond), Ueno, Taito-ku, Tokyo, Japan, March 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
Monoraphidium Monoraphidium Monoraphidium Monoraphidium

Monoraphidium litorale Hindak: Cells singular, fusiform, often attached to a subtrate or to mother cell wall remnant with one end by means of a mucous target; 22-43 micron long, 2-6 micron wide; a chloroplast pariental, trough-shaped, with a naked pyrenoid (without starch-envelope); cell division produces 4, 8 or 16 autospores (daughter cells) releasing by crosswise rupture of mother cell wall (Phtomicrog. Freshw. Alg. 16: 56, 1996)

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