Images made through a microscope. All subject types.
Very nice. You even got a trace of the cilia. My vote is Phacus pleuronectes because the large central body (paramylum) is distinct and the chloroplasts are in longitudinal rows. My reference is How to Know the Protozoa (Jahn, Bovee & Jahn).
Michael Reese Much FRMS EMS Bethlehem, Pennsylvania, USA