Synonyms for the term "Subclass Ophiurida" include brittle stars, serpent stars, and snake stars. This subclass of echinoderms is characterized by elongated arms that are thin and flexible, allowing them to move and manipulate objects with ease. They are found in all sorts of marine environments, from shallow waters to the deep sea, and feed on small organisms like plankton, as well as detritus. Despite their name, Brittle stars are quite durable and can regenerate lost limbs, making them an intriguing study subject for biologists. Understanding these synonyms helps to broaden the search criteria when exploring aspects of the Subclass Ophiurida.