- Anemonactis mazeli (Jourdan, 1880)
- Bicidiopsis tubicola Verrill, 1922 accepted as Peachia parasitica (Agassiz, 1861)
- Haloclava producta (Stimpson, 1856)
- Iyanthus laevis Verrill, 1864 accepted as Mesacmaea laevis (Verrill, 1864)
- Mesacmaea laevis (Verrill, 1864)
- Mesacmaea mitchelli (Gosse, 1853) accepted as Mesacmaea mitchellii (Gosse, 1853)
- Mesacmaea mitchellii (Gosse, 1853)