Pseudo-Nitzschia

Several organisms such as Rhizosolenia, Ceratium Furca, Thalassionema, Pseudo-Nitzschia and Odontella are seen in this clip.

Pseudo-Nitzschia, chain diatom

A very long chain, of pseudo-nitzschia diatom.

Chaetoceros and Pseudo-Nitzschia

Here is seen Chaetoceros with its spiny hairlike protrusions and pseudo-nitzschia (moving as a chain). It appears to be a chain of Nitzschia, although these organisms are not directly related.