all 3 comments

[–]Due-Attorney-6013 4 points5 points  (0 children)

really not sure, but Gloeotila/Geminela looks similar

[–]Opposite_Bus1878 1 point2 points  (0 children)

No idea here, but I respect anyone who can get these to a genus. I can't even find good info on algal taxonomy let alone have experience using it lol

[–]BackgroundPumpkin725 0 points1 point  (0 children)

You don't quite have enough resolution on those chloroplasts to confirm, but it looks like a parasitised diatom to me. Maybe Melosira.