• Ceratium Agassiz, 1846 accepted as Keratella Bory de St. Vincent, 1822 [Family: Brachionidae]
• Ceratium Blume, 1825 accepted as Eria J. Lindley, 1825 [Family: Orchidaceae]
• Ceratium Gistl, 1848 accepted as Phycita Curtis, 1828 [Family: Pyralidae]
• Ceratium J.B. Albertini & L.D. Schweinitz, 1805 accepted as Ceratiomyxa J. Schröter in Engler & Prantl, 1889 [Family: Ceratiomyxaceae]
• Ceratium Schrank, 1793 [Family: Ceratiaceae]
• Ceratium Thienemann, 1828 accepted as Phycita Curtis, 1828 [Family: Pyralidae]
• Ceratium aestuarium Schroder, 1911 accepted as Ceratium hexacanthum Gourret, 1883
• Ceratium angustum A.S. Campbell, 1934
• Ceratium arbuscula Berk. & Broome, 1873 accepted as Ceratiomyxa fruticulosa (O.F. Müll.) T. Macbr., 1899
• Ceratium arcticum (Ehrenberg) Cleve, 1901
• Ceratium arcuatum (Gourret) Cleve accepted as Ceratium contortum (Gourret) Cleve, 1900
• Ceratium arcuatum (Gourret) Pavillard accepted as Ceratium euarcuatum E.G. Jørgensen, 1920
• Ceratium arietinum Cleve, 1900
• Ceratium aultii Graham & Bronikovsky, 1944
• Ceratium axiale Kofoid, 1907
• Ceratium azoricum Cleve, 1900
• Ceratium balechii Maeve del Castillo, Okolodkov & Zamudio, 2003
• Ceratium batavum Paulsen, 1908 accepted as Ceratium horridum (Cleve) Gran, 1902
• Ceratium belone Cleve, 1900
• Ceratium biceps Claparède & Lachmann, 1859 accepted as Ceratium extensum (Gourret) Cleve, 1900
• Ceratium biconicum Murray & Whitting, 1899
• Ceratium bigelowii Kofoid, 1907
• Ceratium boehmii Graham & Bronikovsky, 1944
• Ceratium brachyceros Daday, 1907
• Ceratium breve (Ostenfeld & Schmidt) Schroder, 1906
• Ceratium brevearcuatum Bohm, 1976
• Ceratium brevicorne Zacharias, 1905 accepted as Ceratium hirundinella (O.F. Müller) Dujardin, 1841
• Ceratium brunellii Rampi, 1942
• Ceratium bucephalum (Cleve) Cleve, 1900 accepted as Ceratium arietinum Cleve, 1900
• Ceratium buceros Zacharias, 1906 accepted as Ceratium horridum (Cleve) Gran, 1902
• Ceratium californiense Kofoid, 1907 accepted as Neoceratium deflexum (Kofoid) F. Gomez, D. Moreira & P. Lopez-Garcia, 2010
• Ceratium candelabrum (Ehrenberg) Stein, 1883
• Ceratium candelabum
• Ceratium carnegiei Graham & Bronikovsky, 1944
• Ceratium carolinianum (Bailey) E.G. Jørgensen, 1911
• Ceratium carriense Gourret, 1883
• Ceratium cephalotum (Lemmermann) Jørgensen, 1911
• Ceratium claviger Kofoid, 1907 accepted as Ceratium horridum (Cleve) Gran, 1902
• Ceratium coarctatum Pavillard, 1905
• Ceratium compressum Gran, 1912
• Ceratium concilians E.G. Jørgensen, 1920
• Ceratium contortum (Gourret) Cleve, 1900
• Ceratium contrarium (Gourret) Pavillard, 1905
• Ceratium cornutum (Ehrenberg) Claparède & J. Lachmann, 1859
• Ceratium cumaonense Carter, 1871 accepted as Ceratium hirundinella (O.F. Müller) Dujardin, 1841
• Ceratium curvicorne Schmidt, 1901 accepted as Ceratium breve (Ostenfeld & Schmidt) Schroder, 1906
• Ceratium curvirostre Huitfeld-Kaas, 1900 accepted as Ceratium carolinianum (Bailey) E.G. Jørgensen, 1911
• Ceratium declinatum (Karsten) Jørgensen, 1911
• Ceratium declinatum Karsten, 1907 accepted as Neoceratium declinatum (Karsten) F. Gomez, D. Moreira & P. Lopez-Garcia, 2010
• Ceratium deflexum (Kofoid) E.G. Jørgensen, 1911
• Ceratium dens Ostenfeld & Schmidt, 1901
• Ceratium depressum Gourret, 1883
• Ceratium digitatum Schütt, 1895
• Ceratium divaricatum (Lemmermann) Kofoid, 1908
• Ceratium egyptiacum Halim, 1963
• Ceratium ehrenbergii Kofoid, 1907
• Ceratium euarcuatum E.G. Jørgensen, 1920
• Ceratium eugrammum (Ehrenberg) W.S. Kent, 1881 accepted as Neoceratium furca (Ehrenberg) F. Gomez, D. Moreira & P. Lopez-Garcia, 2010
• Ceratium eugrammum Kofoid accepted as Neoceratium minutum (Jørgensen) F. Gomez, D. Moreira & P. Lopez-Garcia, 2010
• Ceratium extensum (Gourret) Cleve, 1900
• Ceratium falcatiforme E.G. Jørgensen, 1920
• Ceratium falcatum (Kofoid) E.G. Jørgensen, 1920
• Ceratium filicorne Steemann Nielsen, 1934
• Ceratium flagelliferum Cleve, 1900 accepted as Ceratium trichoceros (Ehrenberg) Kofoid, 1908
• Ceratium furca (Ehrenberg) Claparède & Lachmann, 1859
• Ceratium furcoides (Levander) Langhans, 1925
• Ceratium fusus (Ehrenberg) Dujardin, 1841
• Ceratium gallicum Kofoid, 1907 accepted as Ceratium macroceros (Ehrenberg) Vanhöffen, 1897
• Ceratium geniculatum (Lemmermann) Cleve, 1900
• Ceratium gibberum Gourret, 1883
• Ceratium globatum Gourret, 1883 accepted as Neoceratium candelabrum (Ehrenberg) F. Gómez, D. Moreira & P. López-Garcia, 2010
• Ceratium gracile (Gourret) Jorgensen, 1911 accepted as Ceratium symmetricum Pavillard, 1905
• Ceratium gravidum Gourret, 1883
• Ceratium handelii Skuja, 1937 accepted as Ceratium hirundinella (O.F. Müller) Dujardin, 1841
• Ceratium hexacanthum Gourret, 1883
• Ceratium hircus Schröder, 1909
• Ceratium hirundella
• Ceratium hirundinella (O.F. Müller) Dujardin, 1841
• Ceratium horridum (Cleve) Gran, 1902
• Ceratium humile Jørgensen, 1911
• Ceratium hundhausenii Schroder, 1906 accepted as Ceratium carriense Gourret, 1883
• Ceratium incisum (Karsten) E.G. Jørgensen, 1911
• Ceratium inclinatum Kofoid, 1907 accepted as Ceratium horridum (Cleve) Gran, 1902
• Ceratium inflatum (Kofoid) E.G. Jørgensen, 1911
• Ceratium intermedium (Jorgensen) Jorgensen, 1905 accepted as Ceratium horridum (Cleve) Gran, 1902
• Ceratium japonicum Schröder, 1906 accepted as Ceratium vultur Cleve, 1900
• Ceratium karstenii Pavillard, 1907
• Ceratium kofoidii E.G. Jørgensen, 1911
• Ceratium labradoricum Vanhoffen, 1897 accepted as Ceratium arcticum (Ehrenberg) Cleve, 1901
• Ceratium lamellicorne Kofoid, 1908 accepted as Ceratium platycorne Daday, 1888
• Ceratium lanceolatum Kofoid, 1907
• Ceratium leptoceras Zacharias, 1904 accepted as Ceratium hirundinella (O.F. Müller) Dujardin, 1841
• Ceratium leptosomum Jørgensen, 1911 accepted as Ceratium horridum (Cleve) Gran, 1902
• Ceratium limulus (Pouchet) Gourret, 1883
• Ceratium lineatum (Ehrenberg) Cleve, 1899
• Ceratium longicorne Perty, 1849 accepted as Ceratium hirundinella (O.F. Müller) Dujardin, 1841
• Ceratium longinum (Karsten, 1907) Jørgensen, 1911 accepted as Ceratium contortum (Gourret) Cleve, 1900
• Ceratium longipes (Bailey) Cleve, 1900 accepted as Neoceratium longipes (Bailey) F. Gomez, D. Moreira & P. Lopez-Garcia, 2010
• Ceratium longipes (Bailey) Gran, 1902
• Ceratium longirostrum Gourret, 1883