URMO Taxon list
Anemonactis australis (Carlgren, 1931) accepted as Anemonactis clavus (Quoy & Gaimard, 1833)
Anemonactis clavus (Quoy & Gaimard, 1833)
Anemonactis mazeli (Jourdan, 1880)
Bicidium aequoreae McMurrich, 1913 accepted as Peachia quinquecapitata McMurrich, 1913
Eloactis globulosa (Quoy & Gaimard, 1833)
Haloclava brevicornis (Stimpson, 1856)
Haloclava capensis (Verrill, 1865)
Haloclava chinensis Carlgren, 1931
Haloclava minuta (Wasilieff, 1908) accepted as Anemonactis mazeli (Jourdan, 1880)
Haloclava producta (Stimpson, 1856)
Haloclava stimpsoni (Verrill, 1868) accepted as Haloclava stimpsonii (Verrill, 1868)
Haloclava stimpsonii (Verrill, 1868)
Ilyanthus neglectus (Leidy, 1855)
Ilyanthus scoticus Forbes, 1840
Mesacmaea chloropsis (Agassiz in Verrill, 1864)
Mesacmaea laevis (Verrill, 1864)
Mesacmaea mitchelli (Gosse, 1853) accepted as Mesacmaea mitchellii (Gosse, 1853)
Mesacmaea mitchellii (Gosse, 1853)
Mesacmaea stellata (Andrès, 1881) accepted as Mesacmaea mitchellii (Gosse, 1853)
Philomedusa vogtii Müller, 1860