Stichopodidae
The Stichopodidae are a family of sea cucumbers, part of the order Synallactida. Description. Members of this family are mostly large or medium-sized holothuroids with a squarish cross-section, a flat ventral surface, and large, fleshy, cone-shaped projections. Their mouths are surrounded by 20 peltate tentacles. They are usually found on soft substrates, such as sand or rubble. Genera. List of genera according to the World Register of Marine Species: