👉 Cyrtognathus is a genus of small, crustacean mollusks that belong to the order Dinoceratidae and are commonly found in freshwater ecosystems. They have a wide range of sizes from microscopically thin to larger, more than 10 cm (4 inches) long. Cyrtognathus can be found on a variety of aquatic environments including rivers, lakes, and streams. These small crustaceans are known for their unique appearance with a
