The genus Encyonema is largley a bottom living (benthic) genus. Diatoms in these species may be solitary or colonial. Encyonema neomesiana (neomesianum), ventricosa, and minutum are freshwater species.
Encyonema, 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.
Encyonema neomesiana (neomesianum) in diatomite in core TL5.
Encyonema ventricosa or minutum(?) in core TL1 at 5.95 m depth.
See Encyonema on Algaebase or
Diatoms.org or on the
Natural History Museum of Wales website.