Light microscope images of euglenoid cysts from the Triassic-Jurassic boundary (approx. 200 million years old) in the Schandelah-1 core in Germany (left) and from Triassic sediments in Winterswijk, ...

Transmission Electron Microscope (TEM) image of the wall structure of a Holocene euglenoid cyst from Lake Vouliagmeni, Greece. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...