Homotypic synonym conforma a GBIF classification (Originally found in sources as accepted taxon within Bacteriastrum G.Shadbolt, 1854)
Bacteriastrum pennatum var. halo Brun
Homotypic synonym conforma a GBIF classification (Originally found in sources as accepted taxon within Bacteriastrum pennatum Grunow ex Cleve & Möller, 1888)
Bacteriastrum productum H. L. Smith 1874
Homotypic synonym conforma a GBIF classification (Originally found in sources as accepted taxon within Bacteriastrum G.Shadbolt, 1854)
Chaetoceros aequatorialis Yendo 1905
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros aequatorialis Cleve)
Chaetoceros anastomosans Gran 1905
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros anastomosans Grunow)
Chaetoceros antarcticum var. atlanticus (Cleve) F. W. Mills 1933
Homotypic synonym conforma a GBIF classification (Originally found in sources as synonym of Chaetoceros atlanticus f. atlanticum Cleve, 1873)
Chaetoceros atlanticus Okamura 1907
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros atlanticus Cleve)
Chaetoceros borealis Schutt 1893
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros borealis Bailey)
Chaetoceros borealis var. densa Cleve 1897
Homotypic synonym conforma a GBIF classification (Originally found in sources as accepted taxon within Chaetoceros borealis Bailey)
Chaetoceros clevei Peragallo & Peragallo 1904
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros clevei Schütt, 1895)
Chaetoceros compressus Cleve 1894
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros compressus Lauder)
Chaetoceros concavicornis A. Mangin
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros concavicornis L.Mangin)
Chaetoceros convolutus (Castracane) H. Perag.
Homotypic synonym conforma a GBIF classification (Originally found in sources as accepted taxon within Chaetoceros C.G.Ehrenberg, 1844)
Chaetoceros crinitus Gran 1897
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros crinitus F.Schütt)
Chaetoceros criophilus Cleve 1897
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros criophilus Castracane)
Chaetoceros criophilus E. Jorgensen 1900
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros criophilus Castracane)
Chaetoceros criophilus Gran 1904
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros criophilus Castracane)
Chaetoceros curvisetus Hustedt 1920
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros curvisetus Cleve)
Chaetoceros debilis Leegaard 1920
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros debilis Cleve)
Chaetoceros didymus Okamura 1907
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros didymus Ehrenberg)
Chaetoceros difficilis Karsten 1905
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros difficilis Cleve)
Chaetoceros distans var. laciniosa (Schütt) Peragallo & Peragallo (1897)
Homotypic synonym conforma a GBIF classification (Originally found in sources as synonym of Chaetoceros laciniosus f. laciniosus)
Chaetoceros eibenii Grunow 1882
Homotypic synonym conforma a GBIF classification (Originally found in sources as accepted taxon within Chaetoceros C.G.Ehrenberg, 1844)
Chaetoceros elegans (Roth) C. A. Agardh
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros elegans Gutwinski, 1895)
Chaetoceros gelidus A. Chamnansinp et al.
Doubtful conforma a GBIF classification (Possible variant of Chaetoceros gelidus L.i.Chamnansinp, Lundholm & Moestrup, 2013)
Homotypic synonym conforma a GBIF classification (Originally found in sources as accepted taxon within Miraltia D.Marino, M.Montresor & A.Zingone, 1987)
Monoceros minimum (Levander) Valikangas 1926
Homotypic synonym conforma a GBIF classification (Originally found in sources as accepted taxon within Monoceros A.C.J.Van Goor, 1924)
? minimum Levander
Homotypic synonym conforma a GBIF classification (Originally found in sources as doubtful taxon within Chaetocerotaceae)