👉 Myriostoma is a genus of marine crustaceans in the family Myriostomatidae, which includes a wide range of species that are commonly found in freshwater and saltwater environments. These crustaceans have a long, slender body with a single anal fin at the front, and they have a segmented shell with three pairs of spines on each side. They are known for their ability to form complex structures such as myriostomes, which is a type of tube-like