The stalks are still retractable even though they don't look like helix. 800x in brackish tide pool.
MY GIRLFRIEND IS NAMED AFTER ONE OF THESE IM SO HAPPY
materials in an experiment: P1-P2 dyed individuals, P3 dead individual after adding acid
Microorganism of focus is circled in red.
I found it while I was looking at a patch of algae(dark patches) under a microscope at 250x magnification.
Seek suggested that this microorganism is in the genus Frontonia.