I'm not sure what this is. I gathered it up in some duckweed from a suffering kettle pond formed from a cut off creek. Video here:
Found in a drained branch creek of the Grand River off of the Lansing River Trail.
Video here: https://vimeo.com/173564818
Foldscope microscopy with iPhone6s on 2016.06.05
The rotifers (Rotifera, commonly called wheel animals) make up a phylum of microscopic and near-microscopic pseudocoelomate animals. They were first described by Rev. John Harris in 1696, and other forms were described by Anton van Leeuwenhoek in 1703. Most rotifers are around 0.1–0.5 mm long (although their size can range from 50 μm to over 2 millimeters), and are common in freshwater environments throughout the world with a few saltwater species; for example, those of genus Synchaeta. Some...