found: ITIS, May 27, 2020(Order Actiniaria - anemones, sea anemones. Subclass Hexacorallia, Class Anthozoa. Direct Children: Suborder Endocoelantheae; Suborder Nyantheae; Suborder Protantheae; Suborder Ptychodacteae)
found: World register of marine species, via WWW, May 27, 2020(Actiniaria. Rank: Order. Parent: Hexacorallia. Direct Children: Suborder Anenthemonae; Suborder Enthemonae; Suborder Endocoelantheae accepted as Actinernoidea Stephenson, 1922 (change in name and rank in Rodríguez et al. 2014); Suborder Nynantheae accepted as Enthemonae (Collapsed and reorganized by Rodríguez et al. 2014); Suborder Protantheae accepted as Gonactiniidae Carlgren, 1893 (group more appropriately ranked as family); Suborder Ptychodacteae accepted as Ptychodactinidae Appellöf, 1893 (group more appropriately ranked as family))
found: Wilson, M.F.J. The distribution of actiniarians on the continental slop, 1999.
found: International Coral Reef Symposium (7th : 1992 : Guam) Proceedings of the Seventh International Coral Reef Symposium, ©1993:v. 2, p. 665 (Phylogenetic relationships among scleractinians, actinians, and corallimorpharians (Coelenterata: Anthozoa); Actiniaria)