• Laomedea (Obelia) Péron & Lesueur, 1810 accepted as Obelia Péron & Lesueur, 1810
• Laomedea (Obelia) bistriata Leloup, 1931 accepted as Clytia linearis (Thorneley, 1900)
• Obelia Lamouroux, 1821 accepted as Tubulipora Lamarck, 1816
• Obelia Péron & Lesueur, 1810
• Obelia (Obeletta) Haeckel, 1879 accepted as Obelia Péron & Lesueur, 1810
• Obelia (Obelissa) Haeckel, 1879 accepted as Obelia Péron & Lesueur, 1810
• Obelia (Obelomma) Haeckel, 1879 accepted as Obelia Péron & Lesueur, 1810
• Obelia Adelungi Hartlaub, 1884 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia alternata Fraser, 1938 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia andersoni Hincks, 1887 accepted as Obelia bidentata Clark, 1875
• Obelia angulosa Bale, 1888 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia arruensis Marktanner-Turneretscher, 1890 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia articulata (Agassiz, 1865) accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia attenuata Hargitt, 1924 accepted as Obelia bidentata Clark, 1875
• Obelia australis von Lendenfeld, 1885 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia austrogeorgiae Jäderholm, 1905 (uncertain > taxon inquirendum)
• Obelia bicuspidata Clark, 1875 accepted as Obelia bidentata Clark, 1875
• Obelia bidentata Clark, 1875
• Obelia bifurcata Hincks, 1887 accepted as Obelia bidentata Clark, 1875
• Obelia biscuspidata Clark, 1875 accepted as Obelia bidentata Clark, 1875
• Obelia biserialis Fraser, 1948 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia borealis Nutting, 1901 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia braziliensis (Meyen, 1834) accepted as Campanularia brasiliensis Meyen, 1834 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia castellata Clarke, 1894
• Obelia cheloniae (Allman, 1888) accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia chinensis Marktanner-Turneretscher, 1890 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia commissuralis McCrady, 1859 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia congdoni Hargitt, 1909 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia corona Torrey, 1904 accepted as Obelia bidentata Clark, 1875
• Obelia coughtreyi Bale, 1924 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia delicatula Thornely, 1900 accepted as Clytia delicatula (Thornely, 1900)
• Obelia diaphana (L. Agassiz, 1862) accepted as Obelia geniculata (Linnaeus, 1758)
• Obelia dichotoma (Linnaeus, 1758)
• Obelia diversa (Fraser, 1948)
• Obelia dubia Nutting, 1901 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia equilateralis Fraser, 1938 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia everta Hargitt, 1927 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia exigua (M. Sars, 1857) accepted as Laomedea exigua M. Sars, 1857
• Obelia fimbriata (Dalyell, 1848) (uncertain > taxon inquirendum)
• Obelia flabellata (Hincks, 1866) accepted as Obelia longissima (Pallas, 1766)
• Obelia fragilis Calkins, 1899 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia gelatinosa (Pallas, 1766) accepted as Hartlaubella gelatinosa (Pallas, 1766)
• Obelia geniculata (Linnaeus, 1758)
• Obelia geniculata f. gaussi Vanhöffen, 1910 accepted as Obelia geniculata (Linnaeus, 1758)
• Obelia geniculata f. intermedia Ralph, 1956
• Obelia geniculata f. subantarctica Ralph, 1956
• Obelia geniculata f. subsessilis Jäderholm, 1904 accepted as Obelia geniculata (Linnaeus, 1758)
• Obelia geniculata f. subtropica Ralph, 1956
• Obelia gracilis Calkins, 1899 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia griffini Calkins, 1899 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia gymnopthalma Spagnoli, 1871 accepted as Obelia geniculata (Linnaeus, 1758)
• Obelia helgolandica Hartlaub, 1884 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia hyalina Clarke, 1879
• Obelia irregularis Fraser, 1943
• Obelia linearis Thornely, 1900 accepted as Clytia linearis (Thorneley, 1900)
• Obelia longa Stechow, 1921 accepted as Obelia bidentata Clark, 1875
• Obelia longicyatha Allman, 1877 accepted as Obelia bidentata Clark, 1875
• Obelia longissima (Pallas, 1766)
• Obelia loveni (Allman, 1859) accepted as Gonothyraea loveni (Allman, 1859)
• Obelia lucifera (Forbes, 1848) (uncertain > taxon inquirendum)
• Obelia marginata Allman, 1877 accepted as Thyroscyphus marginatus (Allman, 1877)
• Obelia multicia Browne, 1902 (uncertain > taxon inquirendum)
• Obelia multicilia Browne, 1902 (uncertain > taxon inquirendum)
• Obelia multidentata Fraser, 1914 accepted as Obelia bidentata Clark, 1875
• Obelia nigrocaulus Hilgendorf, 1898 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia nodosa Bale, 1924 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia obtusidens (Jäderholm, 1904) accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia oxydentata Stechow, 1914
• Obelia paulensis (Vanhöffen, 1910) accepted as Clytia paulensis (Vanhöffen, 1910)
• Obelia plana (M. Sars, 1835) (uncertain > taxon inquirendum)
• Obelia plicata Hincks, 1868 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia pseudodichotoma (Vervoort, 1959)
• Obelia pygmaea Coughtrey, 1876 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia pyriformis (Agassiz, 1865) (uncertain > taxon inquirendum)
• Obelia racemosa Fraser, 1941 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia rhunicola Billard, 1901 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia sinuosa Leloup, 1935 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia solowetzkiana Schydlwsky, 1902 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia spinulosa (Bale, 1888)
• Obelia spongicola Watson, 2011
• Obelia striata Clarke, 1907
• Obelia surcularis Calkins, 1899 accepted as Obelia dichotoma (Linnaeus, 1758)
• Obelia tenuis Fraser, 1938
• Obelia thornelyi Nutting, 1927 accepted as Clytia thornelyi (Nutting, 1927)
• Obelia undotheca Stechow, 1923 accepted as Obelia dichotoma (Linnaeus, 1758)