👉 The term "chaetosomatidae" refers to a group of organisms that are found in the aquatic environment. These animals belong to the phylum Chaetotrichia, which is also known as the protozoa. They have specialized cells called chitinocytes that are responsible for their ability to attach to surfaces and form colonies. Other characteristics of this group include the presence of a cell wall composed mostly of chitin, a type of polymer made up of a network of cross-linked