Tetradesmus obliquus (Turpin) M. J. Wynne 2016

    Colony consists of 2-4(8) cells; Cells smooth and lack teeth, spines or granules and arranged linearly or alternately in 1 or 2 rows. Cells measure 13-34 μm long and 6-13 μm broad. Cell rarely solitary and joined with almost three quarters of the cell length. Cells spindle in shape with pointed or often elongated finger-like at the ends. The inner cells straight and end cells clearly arcuate. Young cells concave and the mature cells slightly convex but with curved ends.