comparative drawings of Heterocapsa species

These drawings (to scale) illustrate the diversity of the main characters used to identify Heterocapsa species in the light microscope. Recognize the different cell sizes and shapes, the location and shape of the nucleus and the number and location of pyrenoids.

Just a start for the comparative drawings of the body scales (not to scale) ... Similar scales to already reconstructed (as drawing) scale types are shown in light grey color.