👉 The term "holothurioidea" is a genus of marine crustaceans, commonly known as sea snails. They are characterized by their flat bodies and long, slender tails that serve as appendages for locomotion. The genus includes over 150 species in the world's oceans, ranging from small fish-like creatures to large predatory animals like sharks or octopuses. These marine crustaceans play an important role in maintaining biodiversity on Earth. They are crucial components of the