green sun animalcule Directory References Discover Why We Celebrate MLK Day 5 Remarkably Close U.S. Presidential Elections 6 Small Kingdoms of the World 10 Democrats Who Made History Why Is Alcohol Measured by Proof? What State Is Washington, D.C. In? A History of U.S. Presidential Elections in Maps Contents green sun animalcule heliozoan Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Acanthocystis turfacea Learn about this topic in these articles:characteristics of heliozoans In heliozoan…similar species commonly called the green sun animalcule because its body is coloured by harmless symbiotic green algae (zoochlorellae). Actinosphaerium species are multinucleate, often reaching a diameter of 1 mm (0.04 inch).Read More