👉 Microstomidae is a family of marine gastropod mollusks, commonly known as oysters or clams. These creatures belong to the order Ostracoda and are characterized by their small size compared to other cephalopods, ranging from 2-10 mm in length. The family includes about 40 genera and over 350 species, which are primarily found in freshwater environments but can also be found in saltwater habitats. Microstomida