dinoflagellates identification

I am certain that I have dinos in my tank as the sand, rocks, and glass are becoming covered in stringy algae that has a lot of bubbles wrapped up in the dinos. Will someone please help me ID what type of dino this is though and possibly give me some steps to take in order to defeat these...

Hi all, trying to figure out if I’m experiencing the start of dino’s in my system. They don’t look like dinos under the scope however they appear like them with stringy snot and looks as if they disappear when the lights go off. Hopefully the video is good enough! Thanks :)

Hi All, I seem to have a dino outbreak... Tank was doing great but I introduced some Ich and used PolyLabs Medic (which seemed to work) and at the end of he course the tank is now covered. Just need to identify to mitigate. I've looked at tons of pics and my pattern recognition must not be...