green sun animalcule Directory References Discover 7 Everyday English Idioms and Where They Come From Why Do Some Cicadas Appear Only Every 17 Years? Water Fluoridation: Just the Facts Who Invented the Internet? 9 Memorials and Monuments in the United States Timeline of the 2000s What Is the Emoluments Clause? 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