Cyclotella is a genus containing both freshwater and marine species. Cells may be solitary or may form colonies in chains.
Cyclotella, species undetermined. Found in diatomite deposit at Three Lakes, core TL5, at 3.6 to 3.7 m depth; also in core TL1 at 5.95 and 5.99 m depth.
Cyclotella choctawhatcheeana found in TL1 at 5.95 m depth.
See Cyclotella on Algaebase or
Diatoms.org or on the
Natural History Museum of Wales website.