The Enthemonae is a suborder of sea anemones in the order Actiniaria. It comprises those sea anemones with typical arrangement of mesenteries for actiniarians. The Enthemonae is any member of the invertebrate suborder characterised by soft bodied, marine animals that look like flowers which primarily attach to hard or rigid surfaces, such as coral or rocks. An Enthemonae is a suborder of sea anemone of the order Actiniaria, which includes the overall majority of the actiniarians, which belong to the former groups of Protantheae, Ptychodacteae, and Nynantheae.