All species in the genus Epithemia are freshwater species. They are solitary and live on surfaces, including mud and other individuals. Tolerant of alkaline conditions.
Epithemia, 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 m depth.
Epithemia adnata found in core TL1 at 5.95 m depth.
See Epithemia on Algaebase or
Diatoms.org or on the
Natural History Museum of Wales website.