Actinia adspersa Gravenhorst, 1831 accepted as Actinia cari Delle Chiaje, 1822 (original description)
Actinia bellis Ellis & Solander, 1786 accepted as Cereus pedunculatus (Pennant, 1777) (additional source)
Actinia carcinopados accepted as Adamsia palliata (Fabricius, 1779) accepted as Calliactis palliata (Müller, 1776) (additional source)
Actinia cavernata Bosc, 1802 accepted as Bunodosoma cavernatum (Bosc, 1802) (additional source)
Actinia cereus Müller, 1776 accepted as Actinia candida Müller, 1776 accepted as Metridium senile (Linnaeus, 1761) (additional source)
Actinia coriacea Cuvier, 1798 accepted as Urticina coriacea (Cuvier, 1798) (additional source)
Actinia crassicornis Müller, 1776 accepted as Urticina crassicornis (Müller, 1776) (additional source)
Actinia diaphana Rapp, 1829 accepted as Exaiptasia diaphana (Rapp, 1829) (additional source)
Actinia digitata Müller, 1776 accepted as Hormathia digitata (O.F. Müller, 1776) (additional source)
Actinia effoeta Linnaeus, 1767 accepted as Calliactis parasitica (Couch, 1842) (additional source)
Actinia equina (Linnaeus, 1758) (additional source)
Actinia felina Linnaeus, 1767 accepted as Metridium dianthus (Ellis, 1768) (additional source)
Actinia gemmacea accepted as Urticina felina (Linnaeus, 1761) (additional source)
Actinia gigantea (Forskål, 1775) accepted as Stichodactyla gigantea (Forsskål, 1775) (additional source)
Actinia glandulosa Otto, 1823 accepted as Bunodactis glandulosa (Otto, 1823) (additional source)
Actinia holsatica Müller, 1806 accepted as Urticina felina (Linnaeus, 1761) (additional source)
Actinia judaica (Linnaeus, 1761) (additional source)
Actinia mesembryanthemum Ellis & Solander, 1786 accepted as Actinia nigropunctata den Hartog & Ocaña, 2003 (additional source)
Actinia mutabilis Gravenhorst, 1831 accepted as Aiptasia mutabilis (Gravenhorst, 1831) (original description)
Actinia pedunculata Gaertn. accepted as Aulactinia verrucosa (Pennant, 1777) accepted as Bunodactis verrucosa (Pennant, 1777) (additional source)
Actinia plumosa accepted as Metridium dianthus (Ellis, 1768) (additional source)
Actinia rubra (Forsskål, 1775) accepted as Actinia equina (Linnaeus, 1758) (additional source)
Actinia rufa Risso, 1827 (additional source)
Actinia senilis Linnaeus, 1767 accepted as Metridium senile (Linnaeus, 1761) (additional source)
Actinia spectabilis Fabricii, 1780 accepted as Hormathia digitata (O.F. Müller, 1776) (additional source)
Actinia sulcata Pennant, 1777 accepted as Anemonia sulcata (Pennant, 1777) (additional source)
Actinia undata Ilmoni, 1830 accepted as Actinothoe clavata (Ilmoni, 1830) accepted as Sagartiogeton undatus (Müller, 1778) accepted as Cylista undata (Müller, 1778) accepted as Sagartia undata (Müller, 1778) (additional source)
Actinia undulosa accepted as Sagartiogeton undatus (Müller, 1778) accepted as Cylista undata (Müller, 1778) accepted as Sagartia undata (Müller, 1778) (additional source)
Actinia verrucosa Pennant, 1777 accepted as Aulactinia verrucosa (Pennant, 1777) accepted as Bunodactis verrucosa (Pennant, 1777) (additional source)
Actinia viduata W. Thompson accepted as Sagartia troglodytes (Price in Johnston, 1847) accepted as Cylista troglodytes (Price in Johnston, 1847) (additional source)
Actinia viridis Gmelin accepted as Anemonia viridis (Forsskål, 1775) (additional source)
Cereus P. Miller, 1754 (additional source)
Conchoserpula triquetra (Linnaeus, 1758) accepted as Spirobranchus triqueter (Linnaeus, 1758) (additional source)
Doris lugubris Gravenhorst, 1831 accepted as Dendrodoris limbata (Cuvier, 1804) (original description)
Hydra bellis (Ellis & Solander, 1786) accepted as Cereus pedunculatus (Pennant, 1777) (additional source)
Hydra calyciflora Gaertner, 1762 accepted as Cereus pedunculatus (Pennant, 1777) (additional source)
Hydra gemmacea (Ellis & Solander, 1786) accepted as Bunodactis verrucosa (Pennant, 1777) (additional source)
Hydra mesembryanthemum (Ellis & Solander, 1786) accepted as Actinia mesembryanthemum Ellis & Solander, 1786 accepted as Actinia nigropunctata den Hartog & Ocaña, 2003 (additional source)
Metridium de Blainville, 1824 (additional source)
Priapus giganteus Forsskål, 1775 accepted as Stichodactyla gigantea (Forsskål, 1775) (additional source)
Priapus polypus Forsskål, 1775 accepted as Calliactis polypus (Forsskål, 1775) (additional source)
Priapus ruber Forsskål, 1775 accepted as Actinia equina (Linnaeus, 1758) (additional source)
Priapus viridis Forsskål, 1775 accepted as Anemonia viridis (Forsskål, 1775) (additional source)
Serpula contorta Grube, 1850 accepted as Vermiliopsis infundibulum (Philippi, 1844) (original description)
Serpula indica (Daudin, 1800) (additional source)
Serpula porosa (Daudin, 1800) accepted as Placostegus porosus (Daudin, 1800) (additional source)
Serpula proboscidialis Gravenhorst in Mörch, 1863 accepted as Protula intestinum (Lamarck, 1818) (original description)
Serpula quinquecostata (Daudin, 1800) accepted as Spirobranchus lima (Grube, 1862) (additional source)
Serpula ringens Linnaeus, 1758 (additional source)
Serpula sulcata Adams, 1797 accepted as Bushiella (Jugaria) granulata (Linnaeus, 1767) accepted as Janua heterostropha (Montagu, 1803) (redescription)
Urtica cinerea (additional source)
Urtica contracta (additional source)
Urtica contracta bellonii (additional source)
Urtica explicata (additional source)
Urtica explicata bellonii (additional source)
Urtica major (additional source)
Urtica minor (additional source)
Urtica parva rondeletii (additional source)
Urtica rubra (additional source)
Urtica rubra rondeletii (additional source)
Vermicularia granulata Gravenhorst, 1831 accepted as Vermetus granulatus (Gravenhorst, 1831) (original description)
Vermicularia lineolata Gravenhorst, 1831 accepted as Thylacodes arenarius (Linnaeus, 1758) (original description)
Vermicularia scabra Gravenhorst, 1831 accepted as Vermetus scaber (Gravenhorst, 1831) (original description)
Vermilia plicifera Lamarck, 1818 (additional source)

Italian Exclusive Economic Zone for Actinia adspersa Gravenhorst, 1831 
Italian Exclusive Economic Zone for Actinia mutabilis Gravenhorst, 1831