The Suborder Alcyonacea is a group of marine organisms that encompasses a diverse array of species, including soft corals and sea fans. While the term Alcyonacea may be the most commonly used name for this subgroup, there are several other synonyms that refer to the same group of organisms. These synonyms include the Octocorallia, the Alcyonaria, and the Octocorals. No matter which name is used, it is clear that this suborder is a vital component of marine ecosystems worldwide, providing habitat and food for a wide range of other species.