👉 Thysanopterans are a group of marine gastropod mollusks that belong to the family Thysanoptera. These animals have a long, slender body with two pairs of wings and a series of six pairs of legs called tentacles or arms. The thysanopterans were once classified as a single family, but they are now considered to be part of an extended group known as the gastropods. The specific name "thysan" comes from