Acryptolaria conferta (Allman, 1877) (additional source)
Campanularia hincksii Alder, 1856 (additional source)
Campanulina tenuis Van Beneden, 1847 (additional source)
Clytia (Platypyxis) cylindrica Agassiz, 1862 accepted as Clytia gracilis (M. Sars, 1851) (source of synonymy)
Clytia cylindrica Agassiz, 1862 accepted as Clytia gracilis (M. Sars, 1851) (source of synonymy)
Clytia gracilis (M. Sars, 1851) (additional source)
Clytia hemisphaerica (Linnaeus, 1767) (additional source)
Clytia hummelincki (Leloup, 1935) accepted as Clytia brevithecata (Thornely, 1900) (redescription)
Clytia laxa Fraser, 1937 (status source)
Clytia linearis (Thorneley, 1900) (additional source)
Clytia macrotheca (Perkins, 1908) (additional source)
Diphasia Agassiz, 1862 (redescription)
Disertasia cavolini Neppi, 1917 accepted as Dynamena disticha (Bosc, 1802) (basis of record)
Egmundella gracilis Stechow, 1921 (additional source)
Egmundella superba Stechow, 1921 (additional source)
Eirene Eschscholtz, 1829 (additional source)
Endothecium dyssymetrum (Billard, 1929) accepted as Halecium dyssymetrum Billard, 1929 (basis of record)
Endothecium reduplicatum Fraser, 1935 accepted as Halecium reduplicatum (Fraser, 1935) (additional source)
Filellum serratum (Clarke, 1879) (additional source)
Halecium bermudense Congdon, 1907 (additional source)
Halecium lightbourni Calder, 1991 (original description)
Halecium nanum Alder, 1859 (additional source)
Halecium tenellum Hincks, 1861 (additional source)
Hebella dyssymetra Billard, 1931 (additional source)
Hebella venusta (Allman, 1877) (additional source)
Hebellopsis communis Calder, 1991 accepted as Anthohebella communis (Calder, 1991) (original description)
Hebellopsis scandens (Bale, 1888) accepted as Hebella scandens (Bale, 1888) (additional source)
Hincksella cylindrica (Bale, 1888) (additional source)
Lafoea coalescens Allman, 1877 (additional source)
Lafoeina amirantensis (Millard & Bouillon, 1973) accepted as Cirrholovenia tetranema Kramp, 1959 (additional source)
Lafoeina tenuis Sars, 1874 (additional source)
Laomedea acuminata Alder, 1856 accepted as Aequorea vitrina Gosse, 1853 (additional source)
Mitrocomium cirratum Haeckel, 1879 accepted as Lovenella cirrata (Haeckel, 1879) (additional source)
Nemalecium lighti (Hargitt, 1924) (additional source)
Obelia bidentata Clark, 1875 (additional source)
Obelia dichotoma (Linnaeus, 1758) (additional source)
Orthopyxis sargassicola (Nutting, 1915) (additional source)
Plicatotheca anitae Calder & Vervoort, 1986 (additional source)
Scandia mutabilis (Ritchie, 1907) (additional source)
Sertularella diaphana var. gigantea Billard, 1925 accepted as Sertularella diaphana (Allman, 1885) (source of synonymy)
Sertularella diaphana var. orthogona Billard, 1921 accepted as Sertularella diaphana (Allman, 1885) (source of synonymy)
Sertularella gayi unituba Calder, 1991 accepted as Sertularella conica Allman, 1877 (original description)
Sertularella pinnigera Hartlaub, 1901 accepted as Sertularella diaphana (Allman, 1885) (source of synonymy)
Sertularella sargassi Stechow, 1920 accepted as Sertularella diaphana (Allman, 1885) (source of synonymy)
Sertularella torreyi Nutting, 1906 accepted as Sertularella diaphana (Allman, 1885) (source of synonymy)
Sertularia halecina Linnaeus, 1758 accepted as Halecium halecinum (Linnaeus, 1758) (additional source)
Symmetroscyphus intermedius (Congdon, 1907) (redescription)
Synthecium tubithecum (Allman, 1877) (additional source)
Thuiaria distans Allman, 1877 accepted as Sertularella diaphana (Allman, 1885) (source of synonymy)
Thuiaria hyalina Allman, 1888 accepted as Sertularella diaphana (Allman, 1885) (source of synonymy)
Thuiaria pinnata Allman, 1877 accepted as Sertularella diaphana (Allman, 1885) (source of synonymy)
Thyroscyphus marginatus (Allman, 1877) (redescription)