👉 Pantostomes are a class of echinoderms that belong to the family Echinodermata. They are characterized by their elongated, flat bodies with a spiral shape and a large number of small, round, and often flattened appendages called arms. These appendages serve as sensory organs for detecting environmental cues and movements. Pantostomes are important because they have been used in the past to study the behavior of echinoderms by observing their responses to stimuli such as
