Diatoms - Stauroforma
Stauroforma exiguiformis is a freshwater species. Stauroforma often form colonies by the frustules linking together side by side.
Stauroforma, poss exiguiformis, found in diatomite deposit at Three Lakes, core TL5, at 3.6 to 3.7 m depth.
See Stauroforma on Algaebase or Diatoms.org or on the Natural History Museum of Wales website.
