| Name | Author | Source | Citation | Year |
|---|
| CHAETOCEROS | Ehrenberg | image |
| CHAETOCEROS sect. COARCTATA | D.U. Hernández-Becerril | Diatom Res. | 6: 282, 286 | 1991 |
| CHAETOCEROS sect. | COARCTATA D.U. Hernįndez-Becerril | image |
| CHAETOCEROS sect. COARCTATI | D.U. Hernández-Becerril | Cryptogamie: Algologie | 20: 103 | 1999 |
| CHAETOCEROS sect. CONSPICUA | D.U. Hernández-Becerril, M.E. Maeve, & M.A. Lara | J. Phycol. | 29: 818 | 1994 |
| CHAETOCEROS sect. PERUVIANA | D.U. Hernández-Becerril | Bull. Nat. Hist. Mus. [London], Bot. | 26: 16 | 1996 |
| CHAETOCEROS sect. PERUVIANI | R.M. Gogorev | Bot. Zhurn. | 89: 268 | 2004 |
| CHAETOCEROS sect. ROSTRATA | D.U. Hernández-Becerril in D.U. Hernández-Becerril & C. Flores Granados | Botanica Marina | 41: 509 | 1998 |
| CHAETOCEROS sect. | SUBCONICA G.I. Sėmina | image |
| CHAETOCEROS sect. TETRASTICHONA | D.U. Hernández-Becerril in D.U. Hernández-Becerril & C. Flores Granados | Botanica Marina | 41: 509 | 1998 |
| CHAETOCEROS subg. | PHAEOCEROS H.H. Gran | image |
| CHAETOCEROS | | image |
| Chaetoceros abnormis | A.I. Proshkina-Lavrenko | image |
| Chaetoceros abnormis var. simplex | (Proshkina-Lavrenko) Gogorev in Strelnikova | Diatoms of Russia and adjacent countries II(4): | 86 | 2006 |
| Chaetoceros acadianus | B. Samanta & E.M.A. Porcher in Kaczmarska et al. | European Journal of Phycology | 54: 211, figs. 32-41 | 2019 |
| Chaetoceros aculeatus | I.V. Makarova | image |
| Chaetoceros adelianus_('adelianum') | E.E. Manguin | image |
| Chaetoceros adhaerens | E.E. Manguin | image |
| Chaetoceros adriaticus_('adriaticum') | B. Schussnig | Sitzungsber. Kaiserl. Akad. Wiss. Wien Math.-naturwiss. Kl., Abt. I | 124: 392, fig. 9 | 1915 |
| Chaetoceros aduncus | I.N. Sukhanova | image |
| Chaetoceros aequatorialis f. paralleliseta | E.E. Manguin | image |
| Chaetoceros aequatorialis | P.T. Cleve | image |
| Chaetoceros aequatorialis var. antarcticus | E.E. Manguin | image |
| Chaetoceros affinis f. femur | (F. Schütt) F.J.R. Taylor | image |
| Chaetoceros affinis f. inaequalis_('inaequale') | M. Thorrington-Smith | image |
| Chaetoceros affinis f. parallelus_('parallelum') | M. Thorrington-Smith | image |
| Chaetoceros affinis f. pseudosymmetricus_('pseudosymmetricum') | (E. Steemann Nielsen) M. Thorrington-Smith | image |
| Chaetoceros affinis subf. extremis | H. Takano | image |
| Chaetoceros affinis subf. ferox | H. Takano | J. Oceanogr. Soc. Japan | 16: 184, fig. 4b | 1960 |
| Chaetoceros affinis var. circinalis | (Meunier) Hustedt | Rabenhorst's Krypt.-Fl. Deutschland | 7{1}: 697 | 1930 |
| Chaetoceros affinis var. intermedius | R. Subrahmanyan | image |
| Chaetoceros affinis var. willei | (Gran) Hustedt | Rabenhorst's Krypt.-Fl. Deutschland | 7{1}: 695 | 1930 |
| Chaetoceros affinis_('affine') | H.S. Lauder | image |
| Chaetoceros amanita | A. Cleve-Euler | image |
| Chaetoceros anastomosans | A. Grunow | image |
| Chaetoceros anastomosans var. externus | (Gran) Hustedt | Rabenhorst's Krypt.-Fl. Deutschland | 7{1}: 743 | 1930 |
| Chaetoceros anastomosans var. externus | (H.H. Gran) A. Cleve-Euler | image |
| Chaetoceros anastomosans var. speciosus | F. Schütt | image |
| Chaetoceros anglicus | A. Grunow | image |
| Chaetoceros angulatus_('angulatum') | F. Schütt | image |
| Chaetoceros apendiculatus | F.C. Müller Melchers | image |
| Chaetoceros approximatus | H.H. Gran & E.C. Angst | image |
| Chaetoceros armatus_('armatum') | T. West | image |
| Chaetoceros armatus_(`armatum') | T. West | Trans. Microscop. Soc. London, ser. 2, | 8: 151, pl. VII: fig. 12 | 1860 |
| Chaetoceros astrabadicus | A. Henckel | image |
| Chaetoceros atlanticus f. audax | (F. Schütt) H.H. Gran | image |
| Chaetoceros atlanticus f. audax | (Schütt) Gran in Römer & Schaudinn | Fauna Arctica | 3: 529 | 1904 |
| Chaetoceros atlanticus var. attenuatus_('attenuata') | A. Grunow | image |
| Chaetoceros atlanticus var. compacta | (F. Schütt) P.T. Cleve | image |
| Chaetoceros atlanticus var. cruciatus_('cruciatum') | (G. Karsten) M. Thorrington-Smith | image |
| Chaetoceros atlanticus var. exigua | P.T. Cleve | image |
| Chaetoceros atlanticus var. koreanus | S.D. Lee & J.H. Lee | Diatom Research | 29: 467, figs. 2-27 | 2014 |
| Chaetoceros atlanticus var. neapolitanus_('neapolitana') | (Schröder) Hustedt | Rabenhorst's Krypt.-Fl. Deutschland | 7{1}: 645 | 1930 |
| Chaetoceros atlanticus var. skeleton | (Schütt) Hustedt | Rabenhorst's Krypt.-Fl. Deutschland | 7{1}: 643 | 1930 |
| Chaetoceros atlanticus var. tumescens | A. Grunow | image |
| Chaetoceros atlanticus_('atlanticum') | P.T. Cleve | image |
| Chaetoceros atlantidae | F.C. Müller Melchers | image |
| Chaetoceros audax | F. Schütt | image |
| Chaetoceros audax | Schütt | Ber. Deutsch. Bot. Ges. | 13: 47, pl. V: fig. 25 | 1895 |
| Chaetoceros aurivillii | P.T. Cleve | image |
| Chaetoceros bacillaria | Ehrenberg | image |
| Chaetoceros bacteriastrium | G.C. Wallich | image |
| Chaetoceros bacteriastroides f. imbricatus_('imbricatum') | (L.A. Mangin) M. Thorrington-Smith | image |
| Chaetoceros bacteriastroides f. parvi-torosus_('parvi-torosum') | M. Thorrington-Smith | image |
| Chaetoceros bacteriastroides | G.H.H. Karsten | image |
| Chaetoceros baculites | A.F. Meunier | image |
| Chaetoceros balticus | P.T. Cleve | image |
| Chaetoceros barbatus_('barbatum') | (Ehrenberg) T. Brightwell | image |
| Chaetoceros bermejensis | D.U. Hernández-Becerril | Bot. Mar. | 34: 522, figs. 1-14 | 1991 |
| Chaetoceros bermejensis | D.U. Hernįndez-Becerril | image |
| Chaetoceros biconcavus_('biconcavum') | H.H. Gran | image |
| Chaetoceros bicoronata | K.S. Mereschkowsky | image |
| Chaetoceros bifurcatus | X.J. Xu, Yang Li, & Lundholm in Xu et al. | J. Phycol. | 55: 106, figs. 1-3 | 2018 |
| Chaetoceros biharensis | J. Pantocsek | image |
| Chaetoceros bisetaceus_('bisetaceum') | J. Schumann | image |
| Chaetoceros borealis f. solitaria "P.T. | Cleve" | image |
| Chaetoceros borealis f. typica | T. Braarud | image |
| Chaetoceros borealis | H.S. Lauder | image |
| Chaetoceros borealis var. brightwellii | P.T. Cleve | image |
| Chaetoceros borealis var. densus_('densa') | P.T. Cleve | image |
| Chaetoceros borealis var. rudis | P.T. Cleve | image |
| Chaetoceros borealis var. solitaria | P.T. Cleve | image |
| Chaetoceros borealis_('boreale') | Bailey | Smithsonian Contrib. Knowl. | 7{3}: 8, pl.: figs. 22, 23 | 1854 |
| Chaetoceros borealoides | H.L. Honigmann | image |
| Chaetoceros borgei | E.J. Lemmermann | image |
| Chaetoceros borskowii | Pantocsek | Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei | 20{29}: 20, pl. II: fig. 27 | 1909 |
| Chaetoceros bottnicus | P.T. Cleve | image |
| Chaetoceros bottnicus var. didyma | K.S. Mereschkowsky | image |
| Chaetoceros brevis_('breve') | F. Schütt | image |
| Chaetoceros brevispinosus | X.J. Xu, Yang Li & N. Lundholm in Xu et al. | Phycologia | 58: 615, figs. 1-23 | 2019 |
| Chaetoceros brightwellii | (Cleve) Cleve | Seasonal Distrib. Atl. Plankt. Org.: | 292 | 1900 |
| Chaetoceros brightwellii | (P.T. Cleve) P.T. Cleve | image |
| Chaetoceros brussilowi | A. Henckel | image |
| Chaetoceros buceros | G.H.H. Karsten | image |
| Chaetoceros bulbosus f. cruciatus_('cruciata') | (G. Karsten) H. Heiden | image |
| Chaetoceros bulbosus f. schimperianus_('schimperana') | (G. Karsten) H. Heiden | image |
| Chaetoceros bulbosus_('bulbosum') | (Ehrenberg) H. Heiden | image |
| Chaetoceros bungei | H.L. Honigmann | image |
| Chaetoceros calcitrans | (O.W. Paulsen) H. Takano | Bull. Tokai Reg. Fish. Res. Lab. | 55: 1 | 1968 |
| Chaetoceros calcitrans f. pumilus | H. Takano | Bull. Tokai Reg. Fish. Res. Lab. | 55: 3, pl. I: figs. 1-7, text-fig. 2 | 1968 |
| Chaetoceros californicus_('californicum') | A. Grunow | image |
| Chaetoceros calvus | P.T. Cleve | image |
| Chaetoceros capensis_('capense') | G.H.H. Karsten | image |
| Chaetoceros capreolus | (Ehrenberg) L.W. Bailey | image |
| Chaetoceros capricornianus | F.J.R. Taylor | image |
| Chaetoceros caspicus f. pinguichaetus_('pinguichaeta') | A. Henckel & P. Henckel | image |
| Chaetoceros caspicus var. karianus_('kariana') | A. Henckel | image |
| Chaetoceros caspicus_('caspicum') | C.E.H. Ostenfeld | image |
| Chaetoceros castracanei f. singularis | G.R. Hasle | image |
| Chaetoceros castracanei | G.H.H. Karsten | image |
| Chaetoceros cellulosa | H.S. Lauder | image |
| Chaetoceros ceratospermus var. major | A.F. Meunier | image |
| Chaetoceros ceratospermus var. minor | A.F. Meunier | image |
| Chaetoceros ceratosporus | Ostenfeld | Medd. Gronland | 43: 278 | 1910 |
| Chaetoceros ceratosporus var. brachysetus | J.E.B. Rines & P.E. Hargraves | image |
| Chaetoceros ceratosporus var. brachysetus | Rines & Hargraves | Proc. Eighth Int. Diat. Symp. [Paris, 1984]: | 105, pl. 1: figs. 7-12; pls. 2, 3 [= figs. 13-21], pl. 4: figs. 24-26. [or, figs. 7-21, 24-26] | 1986 |
| Chaetoceros ceratosporus var. major | A.F. Meunier | Mém. Mus. R. Hist. Nat. Belg. | 26[Tome VII, fasc. 2]: 47, pl. VII: figs. 36-42 | 1914 |
| Chaetoceros ceratosporus var. minor | A.F. Meunier | Mém. Mus. R. Hist. Nat. Belg. | 26[Tome VII, fasc. 2]: 47, pl. VII: figs. 43-49 | 1914 |
| Chaetoceros ceratosporus_('ceratosporum') | C.E.H. Ostenfeld | image |
| Chaetoceros chilensis | G. Krasske | image |
| Chaetoceros chinchae | K.S. Mereschkowsky | image |
| Chaetoceros chinchae | Mereschkowsky | Ann. & Mag. Nat. Hist., ser. 7, | 6: 483, pl. XVI: figs. 3-7 | 1900 |
| Chaetoceros chunii | G.H.H. Karsten | image |
| Chaetoceros ciliatus_('ciliata') | H.S. Lauder | image |
| Chaetoceros cinctus var. hirtus | G. Krasske | image |
| Chaetoceros cinctus_('cinctum') | H.H. Gran | image |
| Chaetoceros circinalis | (Meunier) K. Jensen & Ø. Moestrup | Opera Botanica | 133: 28 | 1998 |
| Chaetoceros claviger_('clavigerum') | A. Grunow | image |
| Chaetoceros clavigera | C.E.H. Ostenfeld | image |
| Chaetoceros clevei | F. Schütt | image |
| Chaetoceros coarctatus_('coarctata') | H.S. Lauder | image |
| Chaetoceros cochlea | F. Schütt | image |
| Chaetoceros coloradensis | J. Li & J.P. Kociolek in Li, Kociolek, & Gao | Phytotaxa | 255: 202, figs. 2-5, 9-17, 27-35 | 2016 |
| Chaetoceros commutatus | P.T. Cleve | image |
| Chaetoceros compactus_('compactum') | F. Schütt | image |
| Chaetoceros compactus_('compactum') | J. Ikari | image |
| Chaetoceros compressus var. gracilis | F. Hustedt | image |
| Chaetoceros compressus var. hirtisetus | J.E.B. Rines & P.E. Hargraves | Diatom Res. | 5: 121, figs. 1-29 | 1990 |
| Chaetoceros compressus_('compressa') | H.S. Lauder | image |
| Chaetoceros concavicornis f. volans | (Schütt) Hustedt | Rabenhorst's Krypt.-Fl. Deutschland | 7{1}: 666 | 1930 |
| Chaetoceros concavicornis | L.A. Mangin | image |
| Chaetoceros confertus | F.C. Müller Melchers | image |
| Chaetoceros confervoides | J. Ralfs | image |
| Chaetoceros confusus_('confusum') | S.L. VanLandingham | image |
| Chaetoceros constrictus var. ambiguus | A.I. Proshkina-Lavrenko | image |
| Chaetoceros constrictus_('constrictum') | H.H. Gran | image |
| Chaetoceros contortus var. ornatus | A. Chamnansinp, Ø. Moestrup, & N. Lundholm | Phycologia | 54: 168, figs. 39-53 | 2015 |
| Chaetoceros contortus_('contortum') | F. Schütt | image |
| Chaetoceros convolutus f. clavipes | E. Paasche | image |
| Chaetoceros convolutus f. trisetosa | J.F. Brunel | image |
| Chaetoceros convolutus f. volans | L.I. Smirnova | image |
| Chaetoceros convolutus_('convolutum') | Castracane | image |
| Chaetoceros cornutus_('cornutum') | G. Leuduger-Fortmorel | image |
| Chaetoceros coronatus_('coronatum') | H.H. Gran | image |
| Chaetoceros costatus_('costatum') | J. Pavillard | image |
| Chaetoceros crawfordii | D.U. Hernández-Becerril | Beih. Nova Hedwigia | 151: 174, figs. 1-18 | 2021 |
| Chaetoceros crenatus_('crenatum') | (Ehrenberg) T. Brightwell | image |
| Chaetoceros crinitus_('crinitum') | F. Schütt | image |
| Chaetoceros criophilus f. volans | (F. Schütt) H.H. Gran | image |
| Chaetoceros criophilus f. volans | (Schütt) Gran in Römer & Schaudinn | Fauna Arctica | 3: 532 | 1904 |
| Chaetoceros criophilus_('criophilum') | F.S. Castracane | image |
| Chaetoceros cruciatus_('cruciatum') | G.H.H. Karsten | image |
| Chaetoceros crucifer | H.H. Gran | image |
| Chaetoceros curiosus | I.V. Makarova | image |
| Chaetoceros currens | P.T. Cleve | image |
| Chaetoceros curvatus_('curvatum') | Castracane | image |
| Chaetoceros curvisetus | Cleve in Petersen, | Det Videnskabelige Udbytte af Kanonbaaden "Hauchs" Togter i de Danske Have Indefor Skagen, I. Aarene 1883-86: | 55 | 1889 |
| Chaetoceros curvisetus | P.T. Cleve | image |
| Chaetoceros cylindrosporus | I.V. Makarova | image |
| Chaetoceros dadayi | J. Pavillard | image |
| Chaetoceros dadayi var. pacificus_(`pacifica') | L. Rampi | Bull. Inst. Océanogr. [Monaco] | 49{1014}: 13, fig. 4 | 1952 |
| Chaetoceros danicus | Cleve in Petersen, | Det Videnskabelige Udbytte af Kanonbaaden "Hauchs" Togter i de Danske Have Indefor Skagen, I. Aarene 1883-86: | 55 | 1889 |
| Chaetoceros dayaensis | Y. Li & S. Zhu in Li et al. | J. Phycol. | 51: 470, figs. 1-4 | 2015 |
| Chaetoceros debilis | P.T. Cleve | image |
| Chaetoceros decipiens f. barrowensis | A.S. Bursa | image |
| Chaetoceros decipiens f. divaricatus_('divaricata') | B. Schussnig | Sitzungsber. Kaiserl. Akad. Wiss. Wien Math.-naturwiss. Kl., Abt. I | 124: 386, fig. 3 | 1915 |
| Chaetoceros decipiens f. hiemalis | H.H. Gran | image |
| Chaetoceros decipiens f. interruptus_('interrupta') | H.H. Gran | image |
| Chaetoceros decipiens f. princeps | A.F. Meunier | image |
| Chaetoceros decipiens f. singularis | Gran in Römer & Schaudinn | Fauna Arctica | 3: 536, pl. XVII: fig. 7 | 1904 |
| Chaetoceros decipiens f. singularis | H.H. Gran | image |
| Chaetoceros decipiens | P.T. Cleve | image |
| Chaetoceros decipiens var. concreta | A. Grunow | image |
| Chaetoceros decipiens var. concreta | A. Grunow | image |
| Chaetoceros decipiens var. grunowii | (F. Schütt) P.T. Cleve | image |
| Chaetoceros decipiens var. willei | (H.H. Gran) E. Morales | image |
| Chaetoceros deflandrei | E.E. Manguin | image |
| Chaetoceros delicatulus f. cristatus | A.I. Proshkina-Lavrenko | image |
| Chaetoceros delicatulus f. cristatus | Proshkina-Lavrenko | Bot. Zhurn. | 35: 52: fig. 2 | 1950 |
| Chaetoceros delicatulus_('delicatulum') | C.E.H. Ostenfeld | image |
| Chaetoceros densoelegans | N. Lundholm & Yang Li in Chen et al. | Diversity | 14{676}: 10, figs. 4, 5 | 2022 |
| Chaetoceros densus | (P.T. Cleve) P.T. Cleve | image |
| Chaetoceros densus f. solitarius_('solitaria') | (P.T. Cleve) J. Pavillard | image |
| Chaetoceros dentatus | O.S. Korotkevich | image |
| Chaetoceros denticulatus f. angustus_('angusta') | F. Hustedt | image |
| Chaetoceros denticulatus f. latus_('lata') | F. Hustedt | image |
| Chaetoceros denticulatus_('denticulata') | H.S. Lauder | image |
| Chaetoceros diadema | (Ehrenberg) H.H. Gran | image |
| Chaetoceros diadema | (Ehrenberg) H.H. Gran | image |
| Chaetoceros diadema | (Ehrenberg) H.H. Gran | image |
| Chaetoceros diadema | (Ehrenberg) P.T. Cleve | image |
| Chaetoceros diadema var. leptopus | (P.T. Cleve) Cleve-Euler | Kongl. Svenska Vet. Akad. Handl., ser. 4, | 4{1}: 104 | 1953 |
| Chaetoceros dichaeta | Ehrenberg | image |
| Chaetoceros dichaeta f. latus_('lata') | L.A. Mangin | image |
| Chaetoceros dichaeta f. longus_('longa') | L.A. Mangin | image |
| Chaetoceros dichaeta f. tenuicornis | L.A. Mangin | Deux. Expéd. Antarct. Franc\*,. (1908-1910) ... Charcot. Phytoplancton: | 43, text-figs. 25 | 1915 |
| Chaetoceros dichaeta f. unicellularis | H. Heiden | image |
| Chaetoceros dichaeta f. unicellularis | H. Heiden | image |
| Chaetoceros dichaeta var. polygona | (F. Schütt) H. Heiden | image |
| Chaetoceros dichaeta var. tenuicornis | (Mangin) R.M. Gogorev | Nov. Sist. Nizsh. Rast. [Bot. Inst. Akad. Nauk SSSR] | 46: 26 | 2012 |
| Chaetoceros dichatoensis | C.C. Gaonkar, M. Montresor, & D. Sarno in Gaonkar et al. | J. Phycol. | 53: 894, figs. 5, 6 | 2017 |
| Chaetoceros dicladia | Castracane | image |
| Chaetoceros didymus | Ehrenberg | image |
| Chaetoceros didymus f. adriaticus_('adriatica') | B. Schussnig | Sitzungsber. Kaiserl. Akad. Wiss. Wien Math.-naturwiss. Kl., Abt. I | 124: 387, figs. 4, 5 | 1915 |
| Chaetoceros didymus f. aestiva | H.H. Gran | image |
| Chaetoceros didymus f. autumnalis | H.H. Gran | image |
| Chaetoceros didymus f. genuina | O.W. Paulsen | image |
| Chaetoceros didymus f. rectus | Proshkina-Lavrenko | Bot. Zhurn. | 35: 52: fig. 3 | 1950 |
| Chaetoceros didymus f. singularis | H. Takano | image |
| Chaetoceros didymus var. aggregatus | L.A. Mangin | image |
| Chaetoceros didymus var. heterosetoides | R. Subrahmanyan | image |
| Chaetoceros didymus var. hiemalis | P.T. Cleve | image |
| Chaetoceros didymus var. longicruris | P.T. Cleve | image |
| Chaetoceros didymus var. praelongus_('praelongum') | E.J. Lemmermann | image |
| Chaetoceros didymus var. protuberans | (H.S. Lauder) H.H. Gran & K. Yendo | image |
| Chaetoceros difficilis | P.T. Cleve | image |
| Chaetoceros diploneis | Ehrenberg | image |
| Chaetoceros dipyrenops | A.F. Meunier | image |
| Chaetoceros dispar | Castracane | image |
| Chaetoceros distans | P.T. Cleve | image |
| Chaetoceros distans var. subsecunda | A. Grunow | image |
| Chaetoceros distans var. subsecundus_('subsecunda') | Grunow in Van Heurck | Syn. Diat. Belg.: | pl. LXXXII bis: figs. 6, 7 | 1883 |
| Chaetoceros distichus_('distichum') | F. Schütt | image |
| Chaetoceros distinguendus_('distinguendum') | E.J. Lemmermann | image |
| Chaetoceros diversicurvatus_('diversicurvatum') | A.C.J. Goor | image |
| Chaetoceros diversus var. mediterraneus_('mediterranea') | J.L.B. Schröder | image |
| Chaetoceros diversus var. tenuis | P.T. Cleve | image |
| Chaetoceros diversus_('diversum') | P.T. Cleve | image |
| Chaetoceros donghaiensis | X.D. Lu, Zuoyi Chen & Yang Li in Lu et al. | Phycologia | 62: 465, figs. 25-40 | 2023 |
| Chaetoceros dubius | A.I. Proshkina-Lavrenko | image |
| Chaetoceros eibenii | A. Grunow | image |
| Chaetoceros elegans | Y. Li, A. Boonprakob, Ø. Moestrup & N. Lundholm in Li et al. | PLoS ONE | 12{1}: 9, figs. 4-7 | 2018 |
| Chaetoceros elmorei | C.S. Boyer | image |
| Chaetoceros elongatus_('elongatum') | H.L. Honigmann | image |
| Chaetoceros equatorialis_('equatoriale') | P.T. Cleve | image |
| Chaetoceros exigus_('exigua') | (P.T. Cleve) P.T. Cleve | image |
| Chaetoceros exospermum | A.F. Meunier | image |
| Chaetoceros externus | Gran | Norske Nordhavs-Exped. 1876-1878 | 7, Protophyta: 25, pl. III: fig. 44, 45 | 1897 |
| Chaetoceros externus_('externum') | H.H. Gran | image |
| Chaetoceros fallax | A.I. Proshkina-Lavrenko | image |
| Chaetoceros femur | F. Schütt | image |
| Chaetoceros filifer_('filiferum') | G.H.H. Karsten | image |
| Chaetoceros filiformis_('filiforme') | A.F. Meunier | image |
| Chaetoceros flexuosus | L.A. Mangin | image |
| Chaetoceros forceps | X.D. Lu, Zuoyi Chen & Yang Li in Lu et al. | Phycologia | 62: 468, figs. 41-57 | 2023 |
| Chaetoceros forcipatus | L.A. Mangin | image |
| Chaetoceros fragilis_('fragile') | A.F. Meunier | image |
| Chaetoceros frickei | F. Hustedt | image |
| Chaetoceros furca | P.T. Cleve | image |
| Chaetoceros furca var. macroceras | J.L.B. Schröder | image |
| Chaetoceros furcatus | (G. Shadbolt) A. Mann | image |
| Chaetoceros furcatus | Ehrenberg | image |
| Chaetoceros furcillatus var. anglicus | A. Grunow | image |
| Chaetoceros furcillatus var. mamillosus_('mamillosa') | Grunow | image |
| Chaetoceros furcillatus_('furcillatum') | Bailey | image |
| Chaetoceros furcillatus_(`furcillatum') | Bailey | Amer. J. Sci. & Arts, ser. 2, | 22: 3, pl. 1: fig. 4 | 1856 |
| Chaetoceros fusus | F. Schütt | image |
| Chaetoceros galeatus | X.J. Xu & Yang Li in Xu et al. | Journal of Phycology | 56: 788, figs. 4-7 | 2020 |
| Chaetoceros galvestonensis | A. Collier & A. Murphy | image |
| Chaetoceros gastridium | ([Ehrenberg]) Ehrenberg | image |
| Chaetoceros gastridium | (Ehrenberg) T. Brightwell | image |
| Chaetoceros gaussii | H. Heiden | image |
| Chaetoceros gaussii | Heiden in Heiden & Kolbe | Deutsche Südpolar-Exped. 1901-1903 | 8: 534, pl. 12(42): fig. 181 | 1928 |
| Chaetoceros gelidus | A. Chamnansinp, Y. Li, N. Lundholm & Ø. Moestrup | J. Phycol. | 49: 1129, figs. 1, 2 | 2013 |
| Chaetoceros glacialis | A. Henckel | image |
| Chaetoceros glacialis_('glaciale') | A.F. Meunier | image |
| Chaetoceros glandazii_('glandazi') | L.A. Mangin | image |
| Chaetoceros gobii | A. Henckel | image |
| Chaetoceros gracilis f. septentrionalis | (Østrup) Paulsen | Medd. Komm. Havund. [Danmark], ser. Plankton | 1{3}: 6 | 1905 |
| Chaetoceros gracilis f. septentrionalis_('septentrionale') | (E.V. Ųstrup) O.W. Paulsen | image |
| Chaetoceros gracilis | J. Pantocsek | image |
| Chaetoceros gracilis_('gracile') | F. Schütt | image |
| Chaetoceros granii | P.T. Cleve | image |
| Chaetoceros groenlandicus | P.T. Cleve | image |
| Chaetoceros groenlandicus var. leptopus | P.T. Cleve | Bih. K. Svenska Vet. Akad. Handl. | 22{Afd. III, 4}: 8, pl. II: fig. 5 | 1896 |
| Chaetoceros grunowii | F. Schütt | image |
| Chaetoceros grunowii | H.G.A. Engler | image |
| Chaetoceros hamatus | F. Hustedt | image |
| Chaetoceros hamatus | Jousé | Unknown journal | unknown page | 1978 |
| Chaetoceros hebes | A. Mann | image |
| Chaetoceros hendeyi | E.E. Manguin | image |
| Chaetoceros heterovalvatus | A.I. Proshkina-Lavrenko | image |
| Chaetoceros hiemalis | (P.T. Cleve) P.T. Cleve | image |
| Chaetoceros hirtisetus | (J.E.B. Rines & P.E. Hargraves) A. Chamnansinp, Ø. Moestrup, & N. Lundholm | Phycologia | 54: 165 | 2015 |
| Chaetoceros hirundinellus | S.B. Qian | Oceanol. et Limnol. Sin. | 10: 252, figs. 1, 2; pl. I | 1979 |
| Chaetoceros hispidus var. monicae | A. Grunow | image |
| Chaetoceros hispidus_('hispidum') | (Ehrenberg) T. Brightwell | image |
| Chaetoceros holsaticus_('holsaticum') | F. Schütt | image |
| Chaetoceros horridus | G. Krasske | image |
| Chaetoceros hungaricus | J. Pantocsek | image |
| Chaetoceros ikarii_('ikari') | B.V. Skvortzov | image |
| Chaetoceros imbricatus | L.A. Mangin | image |
| Chaetoceros implicans | Ehrenberg | image |
| Chaetoceros impressus | K. Jensen & Ø. Moestrup | Opera Botanica | 133: 17, figs. 19-29 | 1998 |
| Chaetoceros incertus | I.V. Makarova | image |
| Chaetoceros incisor | J. Ralfs | image |
| Chaetoceros incurvus var. angustus_('angusta') | K.S. Mereschkowsky | image |
| Chaetoceros incurvus var. lyra | K.S. Mereschkowsky | image |
| Chaetoceros incurvus var. umbonatus_('umbonatum') | Castracane | image |
| Chaetoceros incurvus_('incurvum') | Bailey | image |
| Chaetoceros indicus | R. Subrahmanyan | image |
| Chaetoceros indicus_('indicum') | G.H.H. Karsten | image |
| Chaetoceros ingolfianus_('ingolfianum') | C.E.H. Ostenfeld | image |
| Chaetoceros ingolfianus_('ingolfianum') | C.E.H. Ostenfeld | image |
| Chaetoceros insignis | A.I. Proshkina-Lavrenko | image |
| Chaetoceros insignis | F.C. Müller Melchers | image |
| Chaetoceros insignis | Proshkina-Lavrenko | Bot. Mater., Spor. Rast. Bot. Inst. Akad. Nauk SSSR | 10: 65, fig. 3 | 1955 |
| Chaetoceros intermedius | A. Henckel | image |
| Chaetoceros invisibilis | R.M. Gogorev & I.V. Makarova in Gogorev | Bot. Zhurn. | 88{4}: 84, pls. I, II | 2003 |
| Chaetoceros janischianus_('janischianum') | Castracane | image |
| Chaetoceros japonicus | Ehrenberg | image |
| Chaetoceros javanicus_('javanicum') | P.T. Cleve | image |
| Chaetoceros jouseanus_('jouseana') | Gogorev in Strelnikova | Diatoms of Russia and adjacent countries II(4): | 124 | 2006 |
| Chaetoceros juetlandicus | J. Fenner | Aarhus Geosci. | 1: 109, pl. 8: fig. 3 | 1994 |
| Chaetoceros karianus | A. Grunow | image |
| Chaetoceros karyanus_('karyanum') | A. Henckel | image |
| Chaetoceros kelleri | J.-J. Brun | image |
| Chaetoceros knipowitschii_('knipowitschi') | A. Henckel | image |
| Chaetoceros knipowitschii_(`knipowitschi') | A. Henckel | Bot. Zap. [Scr. Bot. Horti Univ. Imp. Petrop.] | 26: 54 | 1909 |
| Chaetoceros komarovii | Woronichin | Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. | 58{5}: 88, pl. I: [figs.] 1-6 | 1953 |
| Chaetoceros laciniosus f. pelagicus_('pelagica') | H.H. Gran | image |
| Chaetoceros laciniosus f. protuberans | M. Thorrington-Smith | image |
| Chaetoceros laciniosus_('laciniosum') | F. Schütt | image |
| Chaetoceros laevis_('laeve') | G. Leuduger-Fortmorel | image |
| Chaetoceros laevisporus | Y. Li, A. Boonprakob, Ø. Moestrup & N. Lundholm in Li et al. | PLoS ONE | 12{1}: 14, figs. 8-10 | 2018 |
| Chaetoceros lauderi | J. Ralfs ex H.S. Lauder | image |
| Chaetoceros lawii | E.E. Manguin | image |
| Chaetoceros lepidus | X.D. Lu, Zuoyi Chen & Yang Li in Lu et al. | Phycologia | 62: 469, figs. 58-76 | 2023 |
| Chaetoceros leudugeri | J.-J. Brun | image |
| Chaetoceros levis_('leve') | F. Schütt | image |
| Chaetoceros limaniensis | A. Ehrlich | image |
| Chaetoceros litoralis | E.J. Lemmermann | image |
| Chaetoceros longicornis | I.V. Makarova | image |
| Chaetoceros longicruris | (P.T. Cleve) P.T. Cleve | image |
| Chaetoceros longisetus | P.T. Cleve | image |
| Chaetoceros lorenzianus | A. Grunow | image |
| Chaetoceros lorenzianus f. litoralis | (E.J. Lemmermann) F. Hustedt | image |
| Chaetoceros lorenzianus f. singularis | H. Takano | image |
| Chaetoceros lorenzianus f. subsalinus | A.I. Proshkina-Lavrenko | image |
| Chaetoceros lorenzianus f. subsalinus | Proshkina-Lavrenko | Bot. Mater., Spor. Rast., Bot. Inst. Akad. Nauk SSSR | 11: 54, fig. 3 | 1956 |
| Chaetoceros lorenzianus var. forceps | A.F. Meunier | image |
| Chaetoceros lorenzianus var. parvulus_('parvula') | A. Grunow | image |
| Chaetoceros lorenzianus var. solitarius | A.I. Proshkina-Lavrenko | image |
| Chaetoceros lorenzianus var. subsalinus | (Proshkina-Lavrenko) P.M. Tsarenko in P.M. Tsarenko et al. (eds.) | Algae of Ukraine | 2: 37 | 2009 |
| Chaetoceros lorenzii | A. Grunow | image |
| Chaetoceros lyra | K.S. Mereschkowsky | image |
| Chaetoceros macroelegans | X.M. Chen & Yang Li in Chen et al. | Diversity | 14{676}: 7, figs. 2, 3 | 2022 |
| Chaetoceros makarovae | Gogorev in Strelnikova | Diatoms of Russia and adjacent countries II(4): | 125 | 2006 |
| Chaetoceros malayensis | E. Steemann Nielsen | image |
| Chaetoceros malygini | A. Henckel | image |
| Chaetoceros malyginii_('Malygini') | A. Henckel | Izv. Biol. Nauch.-Islled. Inst. Perm. Univ. | 4: 415, fig. 3 | 1926 |
| Chaetoceros mamillanus | Cleve in Petersen, | Det Videnskabelige Udbytte af Kanonbaaden "Hauchs" Togter i de Danske Have Indefor Skagen, I. Aarene 1883-86: | 55 | 1889 |
| Chaetoceros manguinii | J. Reyssac | image |
| Chaetoceros manguinii | P. Gayral | image |
| Chaetoceros manguinii | Reyssac | Revue Algologique, ser. 2, | 9: 146, fig. 2,C | 1968 |
| Chaetoceros mannaii | Y. Li, A. Boonprakob, Ø. Moestrup & N. Lundholm in Li et al. | PLoS ONE | 12{1}: 19, figs. 11, 12 | 2018 |
| Chaetoceros medius_('medium') | F. Schütt | image |
| Chaetoceros medusa | A. Mann | image |
| Chaetoceros melchersianus | R. Margalef | image |
| Chaetoceros meridiana | (F. Schütt) G. Karsten | image |
| Chaetoceros mertensii_('mertensi') | H.L. Honigmann | image |
| Chaetoceros messanensis_('messanense') | Castracane | Atti dell'Accademia Pontificia de'Nuovi Lincei | 28: 394, fig. 1 | 1875 |
| Chaetoceros millipedarius | X.J. Xu, Yang Li, & Lundholm in Xu et al. | J. Phycol. | 55: 108, figs. 4-6 | 2018 |
| Chaetoceros minimus | (Levander) D. Marino, G. Giuffre, M. Montresor & A. Zingone | image |
| Chaetoceros minimus | (Levander) D. Marino, G. Giuffre, M. Montresor, & A. Zingone | Diatom Res. | 6: 318 | 1991 |
| Chaetoceros minutissimus | I.V. Makarova & A.I. Proshkina-Lavrenko | image |
| Chaetoceros mirabilis | I.V. Makarova | image |
| Chaetoceros misumensis_('misumense') | H.H. Gran & K. Yendo | image |
| Chaetoceros mitra | (Bailey) P.T. Cleve | image |
| Chaetoceros monicae | A. Grunow | image |
| Chaetoceros muelleri | E.J. Lemmermann | image |
| Chaetoceros muelleri | Lemmermann | ForschBer. Biol. Stat. Plön | 6: 195, text-figs. 1, 2 | 1898 |
| Chaetoceros muelleri var. duplex | E.J. Lemmermann | image |
| Chaetoceros muelleri var. subsalsus_('subsalsum') | J.R. Johansen & S. Rushforth | image |
| Chaetoceros najadianus_('najadianum') | B. Schussnig | Sitzungsber. Kaiserl. Akad. Wiss. Wien Math.-naturwiss. Kl., Abt. I | 124: 389, fig. 6 | 1915 |
| Chaetoceros nansenii_('Nanseni') | A. Henckel | Izv. Biol. Nauch.-Islled. Inst. Perm. Univ. | 3(suppl. 2): 31, pl. 2: fig. 2 | 1925 |
| Chaetoceros nansenii_('nanseni') | A. Henckel | image |
| Chaetoceros natatus_('natatum') | E.E. Manguin | image |
| Chaetoceros navicula | (Ehrenberg) T. Brightwell | image |
| Chaetoceros neapolitanus_('neapolitanum') | J.L.B. Schröder | image |
| Chaetoceros neapolitanus_('neapolitanum') | Schröder | Mitt. Zool. Stat. Neapel | 14: 29, pl. 1: fig. 4 | 1900 |
| Chaetoceros neglectus_('neglectum') | G.H.H. Karsten | image |
| Chaetoceros neobulbosus_('neobulbosum') | T.V. Desikachary, S. Gowthaman & Y. Latha | image |
| Chaetoceros neocompactus | S.L. VanLandingham | image |
| Chaetoceros neogracilis | S.L. VanLandingham | image |
| Chaetoceros neupokojewi | A. Henckel | image |
| Chaetoceros nipponicus_('nipponica') | J. Ikari | image |
| Chaetoceros notabilis_('notabile') | H. Lohmann | image |
| Chaetoceros octagonus | D.U. Hernández-Becerril | Plant Systematics and Evolution | 181: 218, figs. 1, 3-8, 9-15 | 1992 |
| Chaetoceros odontella | (Ehrenberg) G.L. Rabenhorst | image |
| Chaetoceros okamurae var. tetraseta | J. Ikari | image |
| Chaetoceros okamurae_('okamurai') | J. Ikari | image |
| Chaetoceros olympicus | L. Arin & A. Reñé in Arin et al. | European Journal of Phycology | 57: 282, figs. 17-43 | 2021 |
| Chaetoceros oppositisetaceus | A.I. Proshkina-Lavrenko | image |
| Chaetoceros orientalis | Schiller in Hustedt | Rabenhorst's Krypt.-Fl. Deutschland | 7{1}: 721, fig. 412 | 1930 |
| Chaetoceros ornatus | (A. Chamnansinp, Ø. Moestrup & N. Lundholm) X.J. Xu, Yang Li & N. Lundholm in Xu et al. | Phycologia | 58: 617 | 2019 |
| Chaetoceros ostenfeldii | P.T. Cleve | image |
| Chaetoceros pachtussowi | A. Henckel | image |
| Chaetoceros pachtussowii_('Pachtussowi') | A. Henckel | Izv. Biol. Nauch.-Islled. Inst. Perm. Univ. | 3(suppl. 2): 35, no fig. | 1925 |
| Chaetoceros pachyceros | R. Margalef | image |
| Chaetoceros pacificus | G.I. Sėmina | image |
| Chaetoceros pacificus_('pacificum') | J. Ikari | image |
| Chaetoceros paradoxus var. eibenii | A. Grunow | image |
| Chaetoceros paradoxus var. luedersii | H.G.A. Engler | image |
| Chaetoceros paradoxus_('paradoxum') | P.T. Cleve | image |
| Chaetoceros parallelis | B.P. Boden | Trans. Roy. Soc. S. Afr. | 32: 233, fig. on p. 234 | 1950 |
| Chaetoceros parvus_('parvum') | F. Schütt | image |
| Chaetoceros pauciramosus | Z.Y. Chen, N. Lundholm, Ø. Moestrup, J. Kownacka, & Y. Lia | Protist | 169: 616, figs. 1-3 | 2018 |
| Chaetoceros paulsenii | C.E.H. Ostenfeld | image |
| Chaetoceros paulsenii f. robustus_('robusta') | A. Henckel | image |
| Chaetoceros pavillardii | J. Ikari | image |
| Chaetoceros pelagicus_('pelagicum') | P.T. Cleve | image |
| Chaetoceros pendulus_('pendulum') | G. Karsten | Wiss. Ergeb. Deutsch. Tiefsee-Exped. 1898-1899, | 2{2}: 118, pl. XV: fig. 7 | 1905 |
| Chaetoceros pendulus_('pendulum') | G.H.H. Karsten | image |
| Chaetoceros perpusillus | P.T. Cleve | image |
| Chaetoceros peruvianus f. depressus | A.K.M.N. Islam & A. Aziz | image |
| Chaetoceros peruvianus f. gracilis | (Schröder) Hustedt | Rabenhorst's Krypt.-Fl. Deutschland | 7{1}: 671 | 1930 |
| Chaetoceros peruvianus f. ponticus_('pontica') | K.S. Mereschkowsky | image |
| Chaetoceros peruvianus f. robustus_('robusta') | (P.T. Cleve) C.E.H. Ostenfeld | image |
| Chaetoceros peruvianus f. volans | (F. Schütt) C.E.H. Ostenfeld | image |
| Chaetoceros peruvianus var. gracilis | J.L.B. Schröder | image |
| Chaetoceros peruvianus var. gracilis | Schröder | Mitt. Zool. Stat. Neapel | 14: 29, pl. 1: fig. 5 | 1900 |
| Chaetoceros peruvianus var. robustus_('robustum') | P.T. Cleve | image |
| Chaetoceros peruvianus var. suadivae | G.H.H. Karsten | image |
| Chaetoceros peruvianus var. victoriae | G.H.H. Karsten | image |
| Chaetoceros peruvianus_('peruvianum') | T. Brightwell | image |
| Chaetoceros peruvianus_(`peruvianum') | Brightwell | Quart. J. Microscop. Sci. | 4: 107, pl. VII: figs. 16-18 | 1856 |
| Chaetoceros peruvio-atlanticus_('peruvio-atlanticum') | G.H.H. Karsten | image |
| Chaetoceros pethoei | J. Pantocsek | image |
| Chaetoceros phuketensis | J.E.B. Rines, P. Boonruang, & E.C. Theriot | Phycol. Res. | 48: 162, figs. 1-6, 8-17 | 2000 |
| Chaetoceros pinguichaetus_('pinguichaetum') | A. Henckel & P. Henckel | image |
| Chaetoceros pinguis | A. Henckel | image |
| Chaetoceros plicatorugosus_('plicatorugosum') | J.-J. Brun | image |
| Chaetoceros pliocenus_('pliocenum') | J.-J. Brun | image |
| Chaetoceros polyamoebicus_('polyamoebicum') | A. Henckel | image |
| Chaetoceros polygonum | F. Schütt | image |
| Chaetoceros ponticus | K.S. Mereschkowsky | image |
| Chaetoceros princeps | (Castracane) A. Mann | image |
| Chaetoceros procerus_('procerum') | F. Schütt | image |
| Chaetoceros processus | I.V. Makarova | image |
| Chaetoceros proschkinae | Gogorev in Strelnikova | Diatoms of Russia and adjacent countries II(4): | 72 | 2006 |
| Chaetoceros protuberans | H.S. Lauder | image |
| Chaetoceros protuberans var. nivalii | H.A. Stosch | image |
| Chaetoceros pseudo-curvisetus | L.A. Mangin | image |
| Chaetoceros pseudoaurivillii | J. Ikari | image |
| Chaetoceros pseudobrevis_('pseudobreve') | J. Pavillard | image |
| Chaetoceros pseudocrinitus var. tropicus_('tropica') | F. Hustedt | image |
| Chaetoceros pseudocrinitus_('pseudocrinitum') | C.E.H. Ostenfeld | image |
| Chaetoceros pseudodichaeta | J. Ikari | image |
| Chaetoceros pseudosimilis | Cleve-Euler | Acta Univ. Lund. N.F. [Lunds Univ. A\*orsskr., ser. 2], Avd. 2, | 33{9}: 44, fig. 15 | 1937 |
| Chaetoceros pseudosimilis_('pseudosimile') | A. Cleve-Euler | image |
| Chaetoceros pseudosymmetricus | E. Steemann Nielsen | image |
| Chaetoceros quillensis | L.W. Bailey | Contributions to Canadian Biology | 11: 159, pl. I: fig. 2 | 1922 |
| Chaetoceros radians | F. Schütt | image |
| Chaetoceros radians | Schütt | Ber. Deutsch. Bot. Ges. | 13: 41, pl. 4: fig. 10a; pl. 5: figs. 10b, 10d | 1895 |
| Chaetoceros radicans | F. Schütt | image |
| Chaetoceros radiculus_('radiculum') | Castracane | image |
| Chaetoceros ralfsii | P.T. Cleve | image |
| Chaetoceros ramosus | O.S. Korotkevich | image |
| Chaetoceros rectus | D.U. Hernández-Becerril | Plant Systematics and Evolution | 181: 222, figs. 2, 16-29 | 1992 |
| Chaetoceros recurvatus f. robustus_('robusta') | A. Henckel | image |
| Chaetoceros recurvatus_('recurvatum') | A. Henckel | image |
| Chaetoceros reicheltii_('reichelti') | F. Hustedt | image |
| Chaetoceros remotus | P.T. Cleve & A. Grunow | image |
| Chaetoceros reyssaciae | Molinari & Guiry | Notulae algarum | 184: 3 | 2021 |
| Chaetoceros rigidus_('rigidum') | C.E.H. Ostenfeld | image |
| Chaetoceros robustus | I.V. Makarova | image |
| Chaetoceros robustus | Makarova | Bot. Mater., Spor. Rast. Bot. Inst. Akad. Nauk SSSR | 14: 54, pl. I: figs. 13, 14; pl. II: fig. 15 | 1961 |
| Chaetoceros robustus_('robustum') | (P.T. Cleve) C.E.H. Ostenfeld | image |
| Chaetoceros rogersii | (Ehrenberg) G.L. Rabenhorst | image |
| Chaetoceros rostratus var. glandazii | (L.A. Mangin) F.J.R. Taylor | image |
| Chaetoceros rostratus_('rostrata') | J. Ralfs | image |
| Chaetoceros rotosporus | Y. Li, N. Lundholm & Ø. Moestrup | Phycologia | 52: 601, figs. 1-20 | 2013 |
| Chaetoceros rudis | (P.T. Cleve) P.T. Cleve | image |
| Chaetoceros rudis_('rude') | G. Leuduger-Fortmorel | image |
| Chaetoceros russanowi | A. Henckel | image |
| Chaetoceros russanowii_('Russanowi') | A. Henckel | Izv. Biol. Nauch.-Islled. Inst. Perm. Univ. | 3(suppl. 2): 29, pl. 2: fig. 1 | 1925 |
| Chaetoceros salsugineus f. curtus_('curtum') | H. Takano | Bull. Tokai Reg. Fish. Res. Lab. | 110: 3, figs. 1C, 5 | 1983 |
| Chaetoceros salsugineus f. solitarius_('solitarium') | H. Takano | Bull. Tokai Reg. Fish. Res. Lab. | 110: 3, figs. 1D, 12 | 1983 |
| Chaetoceros salsugineus_('salsugineum') | H. Takano | Bull. Tokai Reg. Fish. Res. Lab. | 110: 2, figs. 1-15 | 1983 |
| Chaetoceros saltans | P.T. Cleve | image |
| Chaetoceros scabrosus | A.I. Proshkina-Lavrenko | image |
| Chaetoceros sceleton | V. Hensen | image |
| Chaetoceros schimperianus_('schimperianum') | G.H.H. Karsten | image |
| Chaetoceros schmidtii | C.E.H. Ostenfeld | image |
| Chaetoceros schuettii f. oceanica | H.H. Gran | image |
| Chaetoceros schuettii | P.T. Cleve | image |
| Chaetoceros schuettii var. circinalis | A.F. Meunier | image |
| Chaetoceros schuettii var. circinalis | Meunier | Mém. Mus. R. Hist. Nat. Belg. | 26{Tome VII, fasc. 2}: 37, pl. VI: figs. 1-6 | 1914 |
| Chaetoceros schuettii var. willei | (H.H. Gran) A.F. Meunier | image |
| Chaetoceros scolopendra | P.T. Cleve | image |
| Chaetoceros scriptus | J. Frenguelli | image |
| Chaetoceros secundus_('secundum') | P.T. Cleve | image |
| Chaetoceros seiracanthus_('seiracanthum') | H.H. Gran | image |
| Chaetoceros separatus | B.B. Niu & Yang Li in Niu et al. | Phycologia | 61: 110, figs. 17-30 | 2022 |
| Chaetoceros septentrionalis_('septentrionale') | E.V. Ųstrup | image |
| Chaetoceros septentrionalis_(`septentrionale') | Østrup | Medd. Gronland | 18: 457, pl. VII: fig. 88 | 1895 |
| Chaetoceros sessilis | J. Gröntved | image |
| Chaetoceros setoensis | J. Ikari | image |
| Chaetoceros seychellarum | G.H.H. Karsten | image |
| Chaetoceros seychellarum var. australis_('australe') | E.E. Manguin | image |
| Chaetoceros siamensis_('siamense') | C.E.H. Ostenfeld | image |
| Chaetoceros sigmo-calamus | J.A. Tempčre & J.-J. Brun | image |
| Chaetoceros similis f. solitarius | A.I. Proshkina-Lavrenko | image |
| Chaetoceros similis f. solitarius | Proshkina-Lavrenko | Bot. Mater., Spor. Rast., Bot. Inst. Akad. Nauk SSSR | 11: 55, fig. 4 | 1956 |
| Chaetoceros similis | P.T. Cleve | image |
| Chaetoceros similis var. solitarius | (Proshkina-Lavrenko) P.M. Tsarenko in P.M. Tsarenko et al. (eds.) | Algae of Ukraine | 2: 40 | 2009 |
| Chaetoceros similoides | F. Hustedt | image |
| Chaetoceros simplex | C.E.H. Ostenfeld | image |
| Chaetoceros simplex var. calcitrans | O.W. Paulsen | Medd. Komm. Havund. [Danmark], ser. Plankton | 1{3}: 7, fig. 10 | 1905 |
| Chaetoceros simplex var. major | A.I. Forti & R. Issel | image |
| Chaetoceros skeleton | F. Schütt | image |
| Chaetoceros skeleton | Schütt | Ber. Deutsch. Bot. Ges. | 13: 45, pl. V: fig. 19 | 1895 |
| Chaetoceros socialis f. autumnalis | A.I. Proshkina-Lavrenko | image |
| Chaetoceros socialis f. flabelliformis | A.F. Meunier | image |
| Chaetoceros socialis f. major | L.A. Mangin | image |
| Chaetoceros socialis f. minor | L.A. Mangin | image |
| Chaetoceros socialis f. radians | (F. Schütt) A.I. Proshkina-Lavrenko | image |
| Chaetoceros socialis f. radians | (Schütt) A.I. Proshkina-Lavrenko | Diat. Plankt. Azovsk. Morya: | 113 | 1963 |
| Chaetoceros socialis f. solitarius_('solitaria') | A.F. Meunier | image |
| Chaetoceros socialis f. vernalis | A.I. Proshkina-Lavrenko | image |
| Chaetoceros socialis | H.S. Lauder | image |
| Chaetoceros socialis var. congestus_('congesta') | A.F. Meunier | image |
| Chaetoceros socialis var. flabelliformis | A.F. Meunier | image |
| Chaetoceros socialis var. radians | (Schütt) P.M. Tsarenko in P.M. Tsarenko et al. (eds.) | Algae of Ukraine | 2: 42 | 2009 |
| Chaetoceros socialis var. solitarius_('solitaria') | A.F. Meunier | image |
| Chaetoceros solitarius | (Cleve) Cleve | image |
| Chaetoceros spinosus_('spinosum') | G. Leuduger-Fortmorel | image |
| Chaetoceros sporotruncatus | C.C. Gaonkar, W. Kooistra & C.B. Lange in Gaonkar et al. | J. Phycol. | 53: 892, figs. 3, 4 | 2017 |
| Chaetoceros ssedowi | A. Henckel | image |
| Chaetoceros ssedowii_('Ssedowi') | A. Henckel | Izv. Biol. Nauch.-Islled. Inst. Perm. Univ. | 3(suppl. 2): 30, pl. 2: fig. 6 | 1925 |
| Chaetoceros strictus_('strictum') | G.H.H. Karsten | image |
| Chaetoceros subcompressus_('subcompressum') | J.L.B. Schröder | image |
| Chaetoceros subcoronatus | G. Krasske | image |
| Chaetoceros subsalsus_('subsalsum') | E.J. Lemmermann | image |
| Chaetoceros subsecundus | (Grunow) Hustedt | Rabenhorst's Krypt.-Fl. Deutschland | 7{1}: 709 | 1930 |
| Chaetoceros subtilis f. knipowitschii | (A. Henckel) Proshkina-Lavrenko | Bot. Mater., Spor. Rast., Bot. Inst. Akad. Nauk SSSR | 14: 29 | 1961 |
| Chaetoceros subtilis f. simplex | Proshkina-Lavrenko | Bot. Mater., Spor. Rast. Bot. Inst. Akad. Nauk SSSR | 15: 31, fig. 5 | 1961 |
| Chaetoceros subtilis | P.T. Cleve | image |
| Chaetoceros subtilis var. abnormis | (A.I. Proshkina-Lavrenko) A.I. Proshkina-Lavrenko | image |
| Chaetoceros subtilis var. abnormis f. simplex | A.I. Proshkina-Lavrenko | image |
| Chaetoceros subtilis var. knipowitschii | (A. Henckel) P.M. Tsarenko in P.M. Tsarenko et al. (eds.) | Algae of Ukraine | 2: 43 | 2009 |
| Chaetoceros subtortilis | A.I. Proshkina-Lavrenko | image |
| Chaetoceros sumatranus_('sumatranum') | G.H.H. Karsten | image |
| Chaetoceros surirella | J. Frenguelli | image |
| Chaetoceros tenellus | Ehrenberg | image |
| Chaetoceros tenuissimus f. beisugensis | R.M. Gogorev & G.V. Kovaleva | Botanicheskii zhurnal | 95: 973, pl. I:1-4 | 2010 |
| Chaetoceros tenuissimus_('tenuissimum') | A.F. Meunier | image |
| Chaetoceros teres f. spinulosus_('spinulosa') | H.H. Gran | image |
| Chaetoceros teres | P.T. Cleve | image |
| Chaetoceros tetrachaeta | Ehrenberg | image |
| Chaetoceros tetras | G.H.H. Karsten | image |
| Chaetoceros tetrastichon | P.T. Cleve | image |
| Chaetoceros throndsenii | (D. Marino, M. Montresor & A. Zingone) D. Marino, M. Montresor & A. Zingone | image |
| Chaetoceros throndsenii | (D. Marino, M. Montresor, & A. Zingone) D. Marino, M. Montresor, & A. Zingone in D. Marino, G. Giuffre, M. Montresor, & A. Zingone | Diatom Res. | 6: 319 | 1991 |
| Chaetoceros throndsenii var. throndsenia | D. Marino, M. Montresor & A. Zingone | image |
| Chaetoceros throndsenii var. throndsenia | D. Marino, M. Montresor, & A. Zingone in D. Marino, G. Giuffre, M. Montresor, & A. Zingone | Diatom Res. | 6: 319 | 1991 |
| Chaetoceros throndsenii var. trisetosa | A. Zingone | image |
| Chaetoceros throndsenii var. trisetosus_(`trisetosa') | A. Zingone in D. Marino, G. Giuffre, M. Montresor, & A. Zingone | Diatom Res. | 6: 319, 324, fig. 10 | 1991 |
| Chaetoceros tiltilensis | J. Frenguelli | image |
| Chaetoceros tortilisetus | L.A. Mangin | image |
| Chaetoceros tortissimus | H. Gran | image |
| Chaetoceros transisetus | J.R. Johansen & J.S. Boyer | image |
| Chaetoceros transisetus | J.R. Johansen & J.S. Boyer, Jr. in J.P. Kociolek & M.J. Sullivan (eds.) | Century of diatom research in North America: | 90, figs. 2, 7-13, 40-49 | 1995 |
| Chaetoceros turbineus | Makarova & A.I. Proshkina-Lavrenko | image |
| Chaetoceros turingii | H.C.F. Kooistra & D. Sarno in Gaonkar et al. | Beih. Nova Hedwigia | 151: 164, figs. 1-17 | 2021 |
| Chaetoceros uruguayensis | F.C. Müller Melchers | image |
| Chaetoceros vanheurckii | H.H. Gran | image |
| Chaetoceros vermiculus | F. Schütt | image |
| Chaetoceros vermiculus | Schütt | Ber. Deutsch Bot. Ges. | 13{2}: 39, pl. 4: figs. 7a,b; pl. 5: fig. 7c | 1895 |
| Chaetoceros vermiculus var. curvatus_('curvata') | Schütt | Ber. Deutsch Bot. Ges. | 13{2}: 40, pl. 4: fig. 7b | 1895 |
| Chaetoceros vistulae | C. Apstein | image |
| Chaetoceros vixvisibilis | Schiller in Hustedt | Rabenhorst's Krypt.-Fl. Deutschland | 7{1}: 727, fig. 417a | 1930 |
| Chaetoceros volans | F. Schütt | image |
| Chaetoceros volans | Schütt | Ber. Deutsch. Bot. Ges. | 13: 45, pl. V: fig. 20 | 1895 |
| Chaetoceros weissflogii | F. Schütt | image |
| Chaetoceros wighamii f. csilis_('csile') | B. Schussnig | Sitzungsber. Kaiserl. Akad. Wiss. Wien Math.-naturwiss. Kl., Abt. I | 124: 394, fig. 10 | 1915 |
| Chaetoceros wighamii | T. Brightwell | image |
| Chaetoceros wighamoides | B.J. Cholnoky | image |
| Chaetoceros willei | Gran | Norske Nordhavs-Exped. 1876-1878 | 7, Protophyta: 19, pl. IV: fig. 47 | 1897 |
| Chaetoceros willei | H.H. Gran | image |
| Chaetoceros zachariasii var. latus_('lata') | H.L. Honigmann | image |
| Chaetoceros zachariasii var. longus_('longa') | H.L. Honigmann | image |
| Chaetoceros zachariasii var. variatus_('variata') | H.L. Honigmann | image |
| Chaetoceros zachariasii_('zachariasi') | H.L. Honigmann | image |
| Chaetoceros ziwolkae_('Ziwolki') | A. Henckel | Izv. Biol. Nauch.-Islled. Inst. Perm. Univ. | 3(suppl. 2): 31, pl. 5: fig. 5 | 1925 |