Acontiaria Stephenson, 1935 (basis of record)
Actiniaria (additional source)
Actinioidea Rafinesque, 1815 (basis of record)
Adamsia carciniopados (Otto, 1823) accepted as Adamsia palliata (Fabricius, 1779) accepted as Calliactis palliata (Müller, 1776) (additional source)
Adamsia palliata (Fabricius, 1779) accepted as Calliactis palliata (Müller, 1776) (basis of record)
Athenaria (basis of record)
Bolocera tuediae (Johnston, 1832) (additional source)
Ceriantharia (additional source)
Cerianthidae Milne Edwards & Haime, 1851 (additional source)
Cylista Wright, 1859 (basis of record)
Cylista troglodytes (Price in Johnston, 1847) (basis of record)
Edwardsia claparedii (Panceri, 1869) (additional source)
Endomyaria Stephenson, 1921 (basis of record)
Halcampa chrysanthellum (Peach in Johnston, 1847) (additional source)
Hexacorallia (additional source)
Mesacmaea mitchelli (Gosse, 1853) accepted as Mesacmaea mitchellii (Gosse, 1853) (source of synonymy)
Mesacmaea mitchellii (Gosse, 1853) (additional source)
Metridioidea Carlgren, 1893 (basis of record)
Peachia cylindrica (Reid, 1848) (additional source)
Sagartia troglodytes (Price in Johnston, 1847) accepted as Cylista troglodytes (Price in Johnston, 1847) (additional source)
Spirularia (basis of record)
Synarachnactis Carlgren, 1924 (basis of record)
Thenaria (basis of record)
Urticina felina (Linnaeus, 1761) (additional source)