Before revision: Animalcule ('little animal', from Latin animal + the diminutive suffix -culum) is an old term for a microscopic Some better-known types of animalcule include: animal or protozoan .
After revision: Animalcule ('little animal', from Latin animal + the diminutive suffix -culum) is an old term for a microscopic organisms that included bacteria, protozoans, and very small animals .