👉 Lichnophora is a group of microscopic marine animals that are known for their unique adaptations to living in water. These creatures have a hard, protective exoskeleton made from calcium carbonate and possess a number of unique structures such as gills (also called lung), a long, slender body with two pairs of arms, and a digestive system made up of a series of organs called lichens. Lichnophora are often found in saltwater habitats like oceans, rivers, and
