The Family Squillidae is a group of marine crustaceans that includes several synonyms. These include the families Squillinae, Squillopsis, and Metasquilla. They are known for their long, spiny tails and large claws, which they use to catch prey and defend themselves from predators. Although they are not commonly eaten, some species of Squillidae are popular in certain cultures, as they are believed to have medicinal properties. Squillidae are found in oceans and seas around the world, and are an important part of marine ecosystems. Their diverse range of synonyms reflects the evolving scientific studies of this fascinating group of creatures.