Brittle star is a common term used to describe a type of marine invertebrate. These creatures are known for their distinctive radial symmetry, which gives them a star-like appearance. However, there are a variety of synonyms that can be used to describe brittle stars, depending on their specific species or characteristics. Some of these synonyms include serpent stars, basket stars, sand stars, serpentined sea stars, and Ophiuroidea. Each of these terms is used to describe a specific type of brittle star and can be useful when identifying different species or discussing their characteristics and behavior.