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Oct. 7, 2016: Old Durham Reservoir

 

Woronichinia cf. naegeliana

 

 

 

Merismopedia sp.   Note that one square of four cells is missing

 

Golenkinia sp.

 

Cosmarium sp.

 

 

Closterium sp.   Lowest image includes the end of a Synedra (diatom) for comparison.

 

Desmidium sp.

 


Staurastrum cf. pingue

Staurastrum sp.

 

Staurodesmus sp.

 

Synedra sp.




Staurastrum formosa

 


Tabellaria sp.

 



Peridinium sp. – empty cell wall illustrating heavy cellulose plates

 


Oocystis sp.

 




Dinobryon cf. sertularia . Several chytrids (actinomycetes) are attached to loricas in lower two images.

 





Chrysochromulina longispina - silica spines.  Cells have lysed.  Progressive drying out of slide, with a thin coat of water adhering to spines and light refraction causing green appearance.

 



Uroglenopsis sp.  Flagella are apparent in lower photograph.

 



Phacus sp.  Lower photograph illustrates proteinaceous pellicle (cell missing).

 

Cryptomonas cf. ovata.  Food groove not visible

 

Testate planktonic Amoeba illustrating pseudopod

 

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