👉 Mytilinae is a family of small marine invertebrates, including mytilins (mytilid worms) and other species that are commonly known as mytils or barnacles. These invertebrates have an eight-armed body with a single set of arms on the front end. They are found in various habitats such as oceans, rivers, lakes, and estuaries. Mytilinae is divided into two subfamilies: Mytilinae, which contains the