• Thysanozoon Grube, 1840
• Thysanozoon (Eolidiceros) Schmarda, 1859
• Thysanozoon (Eolidiceros) cruciatum Schmarda, 1859 accepted as Thysanozoon cruciatum Schmarda, 1859
• Thysanozoon (Eolidiceros) ovale Schmarda, 1859 accepted as Acanthozoon ovale (Schmarda, 1859)
• Thysanozoon alagoensis Bahia, Padula, Correia & Sovierzoski, 2015
• Thysanozoon alderi Collingwood, 1876 accepted as Acanthozoon alderi (Collingwood, 1876)
• Thysanozoon allmani Collingwood, 1876 accepted as Acanthozoon allmani (Collingwood, 1876)
• Thysanozoon aucklandica Cheeseman, 1883 accepted as Thysanozoon aucklandicum Cheeseman, 1883
• Thysanozoon aucklandicum Cheeseman, 1883
• Thysanozoon aurantiacum (Delle Chiaje, 1822) accepted as Yungia aurantiaca (Delle Chiaje, 1822)
• Thysanozoon auriantiacum (Delle Chiaje, 1822) accepted as Yungia aurantiaca (Delle Chiaje, 1822)
• Thysanozoon auropunctatum Collingwood, 1876 accepted as Acanthozoon auropunctatum (Kelaart, 1858)
• Thysanozoon auropunctatum Kelaart, 1858 accepted as Acanthozoon auropunctatum (Kelaart, 1858)
• Thysanozoon australe Stimpson, 1855
• Thysanozoon boehmigi Stummer-Traunfels, 1895 accepted as Acanthozoon boehmigi (Stummer-Traunfels, 1895)
• Thysanozoon brocchii (Risso, 1818)
• Thysanozoon brocchii cruciatum (Schmarda, 1859) accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon brocchii huttoni Kirk, 1882 accepted as Thysanozoon huttoni Kirk, 1882
• Thysanozoon brocchii nigrum (Girard, 1851) accepted as Thysanozoon nigrum Girard, 1851
• Thysanozoon brocchii papillosum Sars, 1878 accepted as Cycloporus papillosus (Sars, 1878)
• Thysanozoon brocchii tentaculatum (Gray, 1860) accepted as Thysanozoon tentaculatum (Gray in Pease, 1860)
• Thysanozoon brocchii var. cruciatum Laidlaw, 1906 accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon brocchii var. nigrum Lang, 1884 accepted as Thysanozoon nigrum Girard, 1851
• Thysanozoon brocchii var. papillosum Lang, 1884 accepted as Cycloporus papillosus (Sars, 1878)
• Thysanozoon brocchii var. tentaculatum (Pease, 1860) accepted as Thysanozoon tentaculatum (Gray in Pease, 1860)
• Thysanozoon californicum Hyman, 1953
• Thysanozoon cruciatum Schmarda, 1859
• Thysanozoon dicquemaris (Delle Chiaje, 1841) accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon dicquemaris (Risso, 1818) accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon diesingii Grube, 1840 accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon discoideum Schmarda, 1859
• Thysanozoon distinctum Stummer-Traunfels, 1895
• Thysanozoon estacahuitensis Ramos-Sanchez, Bahia & Rolando Bastida-Zavala, 2020
• Thysanozoon flavotuberculatum Hyman, 1939
• Thysanozoon flavum (Delle-Chiaje, 1822) Örsted, 1844 accepted as Yungia aurantiaca (Delle Chiaje, 1822)
• Thysanozoon fockei Diesing, 1850 accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon griseum Verrill, 1901
• Thysanozoon hawaiiensis Hyman, 1960
• Thysanozoon huttoni Kirk, 1882
• Thysanozoon indicum (Plehn, 1896) accepted as Acanthozoon indicum (Plehn, 1896)
• Thysanozoon japonicum Kato, 1944
• Thysanozoon lagidium Marcus, 1949 accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon langi Stummer-Traunfels, 1895
• Thysanozoon minutum Stummer-Traunfels, 1895
• Thysanozoon mirtae Bulnes, Albano, Obenat & Cazzaniga, 2011
• Thysanozoon muelleri (Delle Chiaje, 1829) accepted as Pseudoceros mulleri (Delle Chiaje, 1829)
• Thysanozoon mulleri (Della-Chiaje, 1829) accepted as Pseudoceros mulleri (Delle Chiaje, 1829)
• Thysanozoon nigropapillosum (Hyman, 1959)
• Thysanozoon nigrum Girard, 1851
• Thysanozoon obscurum Stummer-Traunfels, 1895 accepted as Acanthozoon obscurum (Stummer-Traunfels, 1895)
• Thysanozoon ovale Schmarda, 1859 accepted as Acanthozoon ovale (Schmarda, 1859)
• Thysanozoon panormis (Quatrefage, 1845) accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon panormus (Quatrefage, 1845) accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon papillosum (Diesing, 1836) accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon papillosum (Sars, 1878) accepted as Cycloporus papillosus (Sars, 1878)
• Thysanozoon papillosum Grube, 1840
• Thysanozoon plehni Laidlaw, 1902 accepted as Acanthozoon plehni (Laidlaw, 1902)
• Thysanozoon raphaeli Bolanos, Quiroga & Litvaitis, 2007
• Thysanozoon sandiegense Hyman, 1953 accepted as Thysanozoon sandiegiense Hyman, 1953
• Thysanozoon sandiegiense Hyman, 1953
• Thysanozoon semperi Stummer-Traunfels, 1895 accepted as Acanthozoon semperi (Stummer-Traunfels, 1895)
• Thysanozoon skottsbergi Bock, 1923
• Thysanozoon tentaculatum (Gray in Pease, 1860)
• Thysanozoon tuberculatum (Delle-Chiaje, 1828) accepted as Thysanozoon brocchii (Risso, 1818)
• Thysanozoon verrucosum Grube, 1867
• Thysanozoon violaceum (Delle-Chiaje, 1822) accepted as Prostheceraeus violaceus (Delle-Chiaje, 1822)
• Thysanozoon vulgare Palombi, 1939
• Thysanozoon vulgaris Palombi, 1939 accepted as Thysanozoon vulgare Palombi, 1939