• Clytia Lamouroux, 1812
• Clytia von Meyer, 1840 † accepted as Klytia von Meyer, 1840 † accepted as Eryma von Meyer, 1840 †
• Clytia (Orthopyxis) L. Agassiz, 1862 accepted as Orthopyxis L. Agassiz, 1862
• Clytia (Orthopyxis) poterium L. Agassiz, 1862 accepted as Orthopyxis integra (MacGillivray, 1842)
• Clytia (Platypyxis) L. Agassiz, 1862 accepted as Clytia Lamouroux, 1812
• Clytia (Platypyxis) cylindrica Agassiz, 1862 accepted as Clytia gracilis (M. Sars, 1851)
• Clytia (Trochopyxis) L. Agassiz, 1862 accepted as Clytia Lamouroux, 1812
• Clytia (Trochopyxis) bicophoba L. Agassiz, 1862 accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia acutidentata Fraser, 1938 accepted as Clytia linearis (Thorneley, 1900)
• Clytia alternata Hargitt, 1924 accepted as Clytia linearis (Thorneley, 1900)
• Clytia ambigua (Agassiz & Mayer, 1899)
• Clytia arborescens Pictet, 1893
• Clytia attenuata (Calkins, 1899) accepted as Clytia gracilis (M. Sars, 1851)
• Clytia bakeri Torrey, 1904 accepted as Eucheilota bakeri (Torrey, 1904)
• Clytia bicophora Agassiz, 1862 accepted as Clytia (Trochopyxis) bicophoba L. Agassiz, 1862 accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia bicornis Frentzen, 1937 † accepted as Eryma amalthei (Quenstedt in Oppel, 1853) †
• Clytia brevicyatha Mammen, 1965
• Clytia brevithecata (Thornely, 1900)
• Clytia brunescens (Bigelow, 1904)
• Clytia caliculata (Hincks, 1853) accepted as Orthopyxis caliculata (Hincks, 1853)
• Clytia campanulata (Gegenbauer, 1857) (uncertain > taxon inquirendum)
• Clytia carinadentata Fraser, 1938 accepted as Clytia linearis (Thorneley, 1900)
• Clytia colombiana Wedler, 1976 accepted as Campanularia colombiana (Wedler, 1976)
• Clytia compressa Totton, 1930 accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia coronata (Clarke, 1879) accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia crenata Mammen, 1965
• Clytia crucifera (Annandale, 1915) (uncertain > taxon inquirendum)
• Clytia cylindrica Agassiz, 1862 accepted as Clytia gracilis (M. Sars, 1851)
• Clytia decorata Frentzen, 1937 † accepted as Palaeastacus decoratus (Frentzen, 1937) †
• Clytia delicatula (Thornely, 1900)
• Clytia discoida (Mayer, 1900)
• Clytia edentula Gibbons & Ryland, 1989
• Clytia edwardsi (Nutting, 1901) accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia elongata Marktanner-Turneretscher, 1890
• Clytia elongata Warren, 1908 accepted as Clytia warreni Stechow, 1919
• Clytia elsaeoswaldae Stechow, 1914
• Clytia exilis Fraser, 1948
• Clytia fascicularis Fraser, 1938
• Clytia folleata (McCrady, 1859)
• Clytia foxi Billard, 1926 accepted as Clytia linearis (Thorneley, 1900)
• Clytia fragilis Congdon, 1907 accepted as Clytia linearis (Thorneley, 1900)
• Clytia gardineri (Browne, 1905) (uncertain > taxon inquirendum)
• Clytia gelatinosa (Mayer, 1900)
• Clytia gigantea (Hincks, 1866) accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia globosa (Mayer, 1900)
• Clytia gracilicaulis (Fraser, 1938)
• Clytia gracilis (M. Sars, 1851)
• Clytia gravieri (Billard, 1904) accepted as Clytia linearis (Thorneley, 1900)
• Clytia grayi Nutting, 1901 accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia gregaria (Agassiz, 1862)
• Clytia gulangensis He & Zheng, 2015
• Clytia hemisphaerica (Linnaeus, 1767)
• Clytia hendersoni Torrey, 1904 accepted as Clytia linearis (Thorneley, 1900)
• Clytia hesperia (Torrey, 1904) (uncertain > taxon inquirendum)
• Clytia hexacanalis Xu, Huang & Chen, 1991
• Clytia hummelincki (Leloup, 1935) accepted as Clytia brevithecata (Thornely, 1900)
• Clytia inconspicua (Forbes, 1848) accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia iridescens (Maas, 1906)
• Clytia irregularis Fraser, 1938
• Clytia islandica (Kramp, 1919)
• Clytia islandicum (Kramp, 1919) accepted as Clytia islandica (Kramp, 1919)
• Clytia johnstoni (Alder, 1856) accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia joycei Calder, 2019
• Clytia kincaidi (Nutting, 1899)
• Clytia laevis Weismann, 1883 accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia languida (A. Agassiz, 1862) accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia latitheca Millard & Bouillon, 1973 accepted as Clytia thornelyi (Nutting, 1927)
• Clytia laxa Fraser, 1937
• Clytia liguiliformis Mammen, 1965
• Clytia linearis (Thorneley, 1900)
• Clytia lomae (Torrey, 1909)
• Clytia longicyatha (Allman, 1877) accepted as Obelia longicyatha Allman, 1877 accepted as Obelia bidentata Clark, 1875
• Clytia longitheca (Fraser, 1914) accepted as Clytia paulensis (Vanhöffen, 1910)
• Clytia longitheca Hargitt, 1924 accepted as Obelia bidentata Clark, 1875
• Clytia maccradyi (Brooks, 1888) accepted as Clytia mccradyi (Brooks, 1888)
• Clytia macrocarpa Fraser, 1938
• Clytia macrocyttara Lamouroux, 1826 accepted as Thyroscyphus macrocyttarus (Lamouroux, 1826)
• Clytia macrogonia Bouillon, 1984
• Clytia macrotheca (Perkins, 1908)
• Clytia malayense (Kramp, 1961)
• Clytia mccradyi (Brooks, 1888)
• Clytia minuta (Nutting, 1901) accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia mollis Stechow, 1919 accepted as Orthopyxis mollis (Stechow, 1919)
• Clytia multiannulata Hirohito, 1995
• Clytia multidentata Fraser, 1938
• Clytia noliformis (McCrady, 1859) sensu Calder, 1991
• Clytia obeliformis Stechow, 1914 accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia obliqua (Clarke, 1907) accepted as Clytia linearis (Thorneley, 1900)
• Clytia olivacea Lamouroux, 1821 accepted as Rhizocaulus verticillatus (Linnaeus, 1758)
• Clytia osterudi Strong, 1925 accepted as Clytia gregaria (Agassiz, 1862)
• Clytia pacifica (Agassiz & Mayer, 1899)
• Clytia paradoxa (Stechow, 1923)
• Clytia paulensis (Vanhöffen, 1910)
• Clytia pearsonensis Watson, 1973
• Clytia pelagica (Van Breemen, 1905) accepted as Clytia gracilis (M. Sars, 1851)
• Clytia pentata (Mayer, 1900) accepted as Pseudoclytia pentata Mayer, 1900 accepted as Clytia folleata (McCrady, 1859)
• Clytia phosphorica (Péron & Lesueur, 1810) accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Clytia primordiale (Haeckel, 1879) (uncertain > taxon inquirendum)
• Clytia rangiroae (Agassiz & Mayer, 1902)
• Clytia raridentata (Alder in Hincks, 1861) accepted as Clytia hemisphaerica (Linnaeus, 1767)