[organisms]
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Phylum Cnidaria Hatschek, 1888 - cnidarians
Anthozoa Ehrenberg, 1831
Hexacorallia Haeckel, 1866 - sea anemones and true corals
see Subclass Zoantharia de Blainville, 1830
Order Actiniaria - sea anemones
Family Halcampoididae Appellöf, 1896
Genus Acthelmis Lütken, 1875