Alcinoe Rang, 1828 accepted as Mnemiopsis L. Agassiz, 1860 (additional source)
Alcinoe Della Chiaje, 1841 accepted as Leucothea Mertens, 1833 (basis of record)
Alcinoe rosea Mertens, 1833 accepted as Mnemiopsis leidyi A. Agassiz, 1865 (additional source)
Alcinoe vermicularis Rang, 1828 accepted as Alcinoe vermiculata Rang, 1828 accepted as Mnemiopsis leidyi A. Agassiz, 1865 (additional source)
Archeocydippida Stanley & Stürmer, 1987 † (basis of record)
Archeocydippida hunsrueckiana Stanley & Stürmer, 1987 † (basis of record)
Aulacoctena Mortensen, 1913 (additional source)
Aulacoctena acuminata Mortensen, 1913 (additional source)
Aulacoctenidae Lindsay & Miyake, 2007 (additional source)
Axiotima Eschscholtz, 1829 (basis of record)
Axiotima gaedei (Eschscholtz, 1825) (basis of record)
Bathocyroe Madin & Harbison, 1978 (additional source)
Bathocyroe fosteri Madin & Harbison, 1978 (additional source)
Bathocyroe longigula Horita, Akiyama & Kubota, 2011 (additional source)
Bathocyroe paragaster (Ralph & Kaberry, 1950) (additional source)
Bathocyroidae Harbison & Madin, 1982 (additional source)
Bathyctena Mortensen, 1912 (additional source)
Bathyctena chuni (Moser, 1909) (additional source)
Bathyctena latipharyngea (Dawydoff, 1946) (additional source)
Bathyctenidae Mortensen, 1913 (additional source)
Beroe Browne, 1756 accepted as Beroe O.F. Müller, 1776 (additional source)
Beroe (Cydalisia) mitraeformis Lesson, 1829 represented as Beroe mitraeformis Lesson, 1829 (additional source)
Beroe abyssicola Mortensen, 1927 (additional source)
Beroe australis A. Agassiz & Mayer, 1899 (additional source)
Beroe baffini Kramp, 1942 (additional source)
Beroe basteri Lesson, 1829 (basis of record)
Beroe campana Komai, 1918 (additional source)
Beroe capensis Chamisso & Eysenhardt, 1821 accepted as Beroe ovatus Bruguière, 1789 accepted as Beroe ovata Bruguière, 1789 (basis of record)
Beroe clarkii (Agassiz, 1860) accepted as Beroe ovatus Bruguière, 1789 accepted as Beroe ovata Bruguière, 1789 (basis of record)
Beroe compacta Moser, 1909 (additional source)
Beroe constricta Chamisso & Eysenhardt, 1821 (additional source)
Beroe cucumis Fabricius, 1780 (additional source)
Beroe cyathina (A. Agassiz in L. Agassiz, 1860) (basis of record)
Beroe flemingii (Eschscholtz, 1829) (additional source)
Beroe forskalii Milne Edwards, 1841 (additional source)
Beroe gilva Eschscholtz, 1829 accepted as Beroe ovatus Bruguière, 1789 accepted as Beroe ovata Bruguière, 1789 (additional source)
Beroe gracilis Künne, 1939 (additional source)
Beroe hexagona Modeer, 1790 accepted as Pleurobrachia pileus (O. F. Müller, 1776) (basis of record)
Beroe hexagonus Bruguière, 1789 accepted as Callianira hexagona (Bruguière, 1789) (basis of record)
Beroe hyalina Moser, 1907 (additional source)
Beroe infundibulum Müller, 1776 accepted as Bolinopsis infundibulum (O.F. Müller, 1776) (basis of record)
Beroe macrostomus Péron & Lesueur, 1807 (additional source)
Beroe mitrata (Moser, 1907) (additional source)
Beroe ovale Bosc, 1802 accepted as Beroe ovatus Bosc, 1802 accepted as Beroe ovatus Bruguière, 1789 accepted as Beroe ovata Bruguière, 1789 (basis of record)
Beroe ovatus Bruguière, 1789 accepted as Beroe ovata Bruguière, 1789 (additional source)
Beroe ovum Fabricius, 1780 accepted as Mertensia ovum (Fabricius, 1780) (basis of record)
Beroe pandorina Moser, 1903 (additional source)
Beroe penicillata (Mertens, 1833) (additional source)
Beroe pileus O. F. Müller, 1776 accepted as Pleurobrachia pileus (O. F. Müller, 1776) (basis of record)
Beroe punctata Chamisso & Eysenhardt, 1821 accepted as Beroe ovatus Bruguière, 1789 accepted as Beroe ovata Bruguière, 1789 (basis of record)
Beroe ramosa Komai, 1921 (additional source)
Beroe roseola (Agassiz, 1860) accepted as Beroe cucumis Fabricius, 1780 (basis of record)
Beroe roseus Quoy & Gaimard, 1824 (additional source)
Beroe rufescens (Eschscholtz, 1829) (additional source)
Beroe shakespeari Benham, 1907 (basis of record)
Beroida (additional source)
Beroidae Eschscholtz, 1825 (additional source)
Bolina Mertens, 1833 accepted as Bolinopsis L. Agassiz, 1860 (additional source)
Bolina hydatina Chun, 1879 accepted as Bolinopsis vitrea (L. Agassiz, 1860) (additional source)
Bolina infundibulum (O.F. Müller, 1776) accepted as Bolinopsis infundibulum (O.F. Müller, 1776) (basis of record)
Bolina microptera A. Agassiz, 1865 accepted as Bolinopsis microptera (A. Agassiz, 1865) (basis of record)
Bolina norvegica (Sars, 1835) accepted as Bolinopsis infundibulum (O.F. Müller, 1776) (basis of record)
Bolina septentrionalis Mertens, 1833 accepted as Bolinopsis infundibulum (O.F. Müller, 1776) (basis of record)
Bolinopsidae Bigelow, 1912 (additional source)
Bolinopsis L. Agassiz, 1860 (additional source)
Bolinopsis alata (A. Agassiz, 1850) accepted as Bolinopsis infundibulum (O.F. Müller, 1776) (additional source)
Bolinopsis ashleyi Gershwin, Zeidler & Davie, 2010 (basis of record)
Bolinopsis chuni (von Lendenfeld, 1884) (additional source)
Bolinopsis elegans (Mertens, 1833) (additional source)
Bolinopsis indosinensis Dawydoff, 1946 (additional source)
Bolinopsis infundibulum (O.F. Müller, 1776) (additional source)
Bolinopsis mikado (Moser, 1907) (additional source)
Bolinopsis ovalis (Bigelow, 1904) (additional source)
Bolinopsis rubripunctata Tokioka, 1964 (additional source)
Bolinopsis vitrea (L. Agassiz, 1860) (additional source)
Callianira antarctica Chun, 1897 (additional source)
Callianira bialata Delle Chiaje, 1841 (additional source)
Callianira compressa (Mertens, 1833) accepted as Mertensia ovum (Fabricius, 1780) (basis of record)
Callianira cristata Moser, 1909 (additional source)
Callianira diploptera Lamarck, 1816 (additional source)
Callianira ficalbi Curreri, 1900 (additional source)
Callianira hexagona Slabber, 1778 accepted as Callianira slabberi De Haan, 1827 accepted as Pleurobrachia pileus (O. F. Müller, 1776) (additional source)
Callianira hexagona (Bruguière, 1789) (basis of record)
Callianira triploptera Lamarck, 1816 (additional source)
Calya Stechow, 1921 accepted as Ocyropsis Mayer, 1912 (basis of record)
Calya trevirani (Eschscholtz, 1825) accepted as Ocyropsis maculata (Rang, 1827) (basis of record)
Calymma Eschscholtz, 1825 accepted as Calya Stechow, 1921 accepted as Ocyropsis Mayer, 1912 (basis of record)
Calymma trevirani Eschscholtz, 1825 accepted as Calya trevirani (Eschscholtz, 1825) accepted as Ocyropsis maculata (Rang, 1827) (basis of record)
Cambodgia Dawydoff, 1946 (additional source)
Cambodgia elegantissima Dawydoff, 1946 (additional source)
Cambojiida (basis of record)
Cambojiidae Ospovat, 1985 (basis of record)
Ceroctena C. Carré & D. Carré, 1991 accepted as Attenboroughctena Ceccolini & Cianferoni, 2020 (additional source)
Ceroctena bicornis C. Carré & D. Carré, 1991 accepted as Attenboroughctena bicornis (C. Carré & D. Carré, 1991) (additional source)
Cestida (basis of record)
Cestidae Gegenbaur, 1856 (additional source)
Cestum Lesueur, 1813 (additional source)
Cestum veneris Lesueur, 1813 (additional source)
Cestus Lesueur, 1813 accepted as Cestum Lesueur, 1813 (basis of record)
Cestus pectenalis Bigelow, 1904 accepted as Cestum veneris Lesueur, 1813 (basis of record)

 Authority

 for Eudistoma costai (Della Valle, 1877)

Della Valle used in the original description Distoma costae, as a species dedicated to Prof. A. Costa. In the old ... [details]

 Status

 for Cydippe elliptica Eschscholtz, 1829

Moved to Hormiphora by Moser 1909, p. 152 [details]

 Status

 for Hormiphora foliosa Haeckel, 1904

Probable synonym of H. hormiphora (Gegenbaur, 1856) because of its similarity to Gegenbaur's illustration. [details]

 Synonymy

 for Hormiphora L. Agassiz, 1860

Synonym of Cydippe Gegenbaur, 1856 by L. Agassiz 1860 [details]

 Synonymy

 for Hormiphora palmata Chun, 1898

Bigelow (1912) synonomized young stages of H. palmata Chun, 1898 with H. hormiphora (Gegenbaur, 1856), but he also ... [details]