👉 The term "Solenoidea" refers to a group of marine invertebrates that belong to the family Solenidae, which includes several species known for their unique characteristics and adaptations. These animals are characterized by their elongated body shapes, large eyes, and specialized organs such as the optic vesicles (solenoids), which are responsible for vision. Solenoidea's unique adaptations include a thick, hard exoskeleton, a large mouth that has two openings, and a high metabolic
