Thalassianthidae with wide pedal disc. Column with vertical rows of verrucae in its upper part. Margin a little notched. Sphincter weak, restricted. Oral disc irregularly folded, for the most part bare, at the margin thrown into very numerous, small lobes issuing from the endocoels. Oral sides of the lobes provided with very small dendritic tentacles, which are continued a short way on to the oral disc; aboral sides of the lobes with nematospheres. Exocoelic tentacles dendritic, somewhat swollen at the base. Two siphonoglyphs. Many mesenteries perfect, all stronger mesenteries, except perhaps the directives, fertile.
Actinia villosa Quoy and Gaimard 1833
A. dendrophora Haddon and Shackleton 1893
Definitions and contained taxa are those of Oscar Carlgren as published in 1949 : Kungl Svenska Vetenskapsakadamiens Handlingar, Series 4, Volume 1, Number 1
Electronic version made possible by NSF grant DEB95-21819 in the PEET program to D. G. Fautin.