👉 The term "oligotokeus" is a genus of marine gastropod mollusks in the family Chondriidae. These mollusks are commonly known as mussels and are part of the oyster family, which includes more than 140 species. Oligotokeus is characterized by its long, slender body that has a streamlined shape with large, circular eyes and a smooth, flat shell. The shell is made up of two sets of plates,