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Tessellaria (Synurophyceae)

Tessellaria sp. sketch, after Playfair 1918, showing biflagellate cell (tinsel not shown on what appear to be isokont flagella), and cell surrounded by several layers of silicacious scales (barely visible in sketch).
Posted online.

Playfair, G.I. 1918. New and rare freshwater algae. Proceedings of the Linnean Society of New South Wales 43: 497-543.

Tessellaria volvocina, electron micrograph shows mastigonemes on one flagellum (lower left corner of photograph).

Tyler et al. Tessellaria rediscovered.Tyler, P.A., L. Pipes, R. Croome, and G.F. Leedale 1989. Tessellaria volvocina rediscovered. (Figure 8). British Phycol. J. 24:329-337.

Tessellaria volvocina, electron micrographs show mastigonemes on one flagellum (left) and external siliceous scale (right).

Tyler et al. Tessellaria rediscovered.Tyler, P.A., L. Pipes, R. Croome, and G.F. Leedale 1989. Tessellaria volvocina rediscovered. (Figures 7 and 9). British Phycol. J. 24:329-337.

Tessellaria volvocina colony from a Murray River oxbow lake - billabong near Albury, NSW and from a pond in the Blue Mountains near Katoomba, NSW Australia.
Collection and photograph by David G. Seamer who was able to see flagella on individual cells at high magnification.

Tessellaria volvocina colony from a Murray River oxbow lake - billabong near Albury, NSW and from a pond in the Blue Mountains near Katoomba, NSW Australia
Collection and photograph by David G. Seamer and Russell Shiel of the Murray Darling Freshwater Research Centre, then based at Charles Sturt University, Albury, NSW They were able to see flagella on individual cells at high magnification.

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