# Thalassiosira

Thalassiosira est un genre de diatomées de la famille des Thalassiosiraceae.

## Liste d'espèces

Selon AlgaeBase (6 février 2019) :
* Thalassiosira aculeata Proshkina-Lavrenko
* Thalassiosira adeliae Manguin (Sans vérification)
* Thalassiosira aestivalis Gran
* Thalassiosira allenii Takano
* Thalassiosira ambigua O.G.Kozlova
* Thalassiosira andamanica A.D.Gedde
* Thalassiosira angulata (W.Gregory) Hasle
* Thalassiosira angustelineata (A.W.F.Schmidt) G.Fryxell & Hasle
* Thalassiosira antarctica Comber
* Thalassiosira antarctica Karsten (Statut incertain)
* Thalassiosira antiqua (Grunow) Proshkina-Lavrenko (Sans vérification)
* Thalassiosira australiensis (Grunow) G.R.Hasle
* Thalassiosira australis M.Peragallo
* Thalassiosira azovica Gogorev & Kovaleva
* Thalassiosira baldaufii P.Bodén
* Thalassiosira baltica (Grunow) Ostenfeld
* Thalassiosira binata Fryxell
* Thalassiosira bipora M.Shiono
* Thalassiosira bradburyi Khursevich & Kociolek
* Thalassiosira bramaputrae (Ehrenberg) Håkansson & Locker
* Thalassiosira brunii F.Akiba & Y.Yanagisawa
* Thalassiosira bulbosa E.E.Syvertsen
* Thalassiosira bungerensis Gogorev & Pushina (Sans vérification)
* Thalassiosira burckliana H.J.Schrader
* Thalassiosira californica Y.Tanimura
* Thalassiosira caspica I.V.Makarova
* Thalassiosira catharinensis García
* Thalassiosira cedarkeyensis A.K.S.K.Prasad
* Thalassiosira centra M.Shiono
* Thalassiosira complicata R.Gersonde
* Thalassiosira concava H.J.Semina
* Thalassiosira concaviuscula Makarova
* Thalassiosira condensata Cleve
* Thalassiosira conferta Hasle
* Thalassiosira convexa V.V.Muchina
* Thalassiosira coronifera Proshkina-Lavrenko
* Thalassiosira cryophila Kisselev
* Thalassiosira cuitzeonensis I.Israde, K.Serieyssol & F.Gasse
* Thalassiosira curviseriata Takano
* Thalassiosira decipiens (Grunow ex Van Heurck) E.G.Jørgensen
* Thalassiosira delicata (J.A.Barron) F.Akiba (Sans vérification)
* Thalassiosira delicatula Ostenfeld
* Thalassiosira densannula Hasle & Fryxell
* Thalassiosira depressa M.Shiono
* Thalassiosira depressa Shiono
* Thalassiosira dichotomica (O.G.Kozlova) G.A.Fryxell & G.R.Hasle
* Thalassiosira diporocyclus Hasle
* Thalassiosira dispar (M.Peragallo & J.Héribaud) K.Serieyssol (Statut incertain)
* Thalassiosira dolmatovae Oreshkina ex A.Gladenkov
* Thalassiosira dubia Leuduger-Fortmorel
* Thalassiosira dubiosa H.J.Schrader
* Thalassiosira duostra C.Pienaar
* Thalassiosira eccentrica (Ehrenberg) Cleve
* Thalassiosira echinata H.J.Semina
* Thalassiosira elliptipora J.Fenner ex A.D.Mahood & J.A.Barron
* Thalassiosira elsayedii Fryxell
* Thalassiosira exceptiuncula M.Shiono
* Thalassiosira exceptiuncula Shiono
* Thalassiosira exigua G.Fryxell & Hasle
* Thalassiosira fasciculata D.M.Harwood & T.Maruyama
* Thalassiosira faurii (Gasse) Hasle
* Thalassiosira favosa Makarova (Statut incertain)
* Thalassiosira feibelii Brindle & J.Mohan
* Thalassiosira ferelineata Hasle & G.A.Fryxell
* Thalassiosira flexuosa (J.Brun) F.Akiba & Y.Yanagisawa
* Thalassiosira fraga H.J.Schrader
* Thalassiosira fragilis G.Fryxell
* Thalassiosira frenguelliopsis G.A.Fryxell & J.R.Johans
* Thalassiosira fryxelliae Sunesen & Sar
* Thalassiosira gasseae Brindle & J.Mohan
* Thalassiosira gerloffii Rivera Ramirez
* Thalassiosira gersondei J.A.Barron
* Thalassiosira gessneri Hustedt
* Thalassiosira gracilis (Karsten) Hustedt
* Thalassiosira gravida Cleve
* Thalassiosira grunowii F.Akiba & Y.Yanagisawa
* Thalassiosira hasleae Cassie & Dempsey
* Thalassiosira hendeyi Hasle & G.Fryxell
* Thalassiosira hibernalis A.M.Gayoso
* Thalassiosira hispida Syvertsen
* Thalassiosira hyalina (Grunow) Gran
* Thalassiosira hydra A.M.Gombos
* Thalassiosira hyperborea (Grunow) Hasle
* Thalassiosira ignota Makarova
* Thalassiosira incerta I.V.Makarova
* Thalassiosira insigna (A.P.Jousé) D.M.Harwood & T.Maruyama
* Thalassiosira intrannula Herzig & Fryxell
* Thalassiosira inura R.Gersonde
* Thalassiosira iraidae Khursevich & Kociolek
* Thalassiosira irregulata H.J.Schrader
* Thalassiosira jouseae F.Akiba
* Thalassiosira kanayae Y.Tanimura
* Thalassiosira khursevichiae D.Bennett, Laslandes, & Kociolek
* Thalassiosira kolbei (A.P.Jousé) R.Gersonde (Sans vérification)
* Thalassiosira kozlovii Makarova (Statut incertain)
* Thalassiosira kushirensis H.Takano
* Thalassiosira labimarginata P.Bodén
* Thalassiosira lacustris (Grunow) G.R.Hasle
* Thalassiosira laevis Y.H.Gao & Z.D.Cheng
* Thalassiosira latimarginata Makarova
* Thalassiosira lentiginosa (Janisch) Fryxell
* Thalassiosira leptopus (Grunow) Hasle & G.Fryxell
* Thalassiosira levanderi Van Goor
* Thalassiosira licea G.Fryxell
* Thalassiosira lineata Jousé
* Thalassiosira lineoides Herzig & Fryxell
* Thalassiosira livingstoniorum A.K.S.K.Prasad, P.Hargraves & J.A.Nienow
* Thalassiosira longifultoportulata R.M.Gogorev & Z.V.Pushina
* Thalassiosira lundiana Fryxell
* Thalassiosira lusca H.J.Schrader
* Thalassiosira maculata G.A.Fryxell & J.R.Johansen
* Thalassiosira mahoodii J.A.Barron
* Thalassiosira makarovae V.V.Mukhina
* Thalassiosira mala Takano
* Thalassiosira manifesta Sheshukova-Poretskaya
* Thalassiosira margaritae (Frenguelli & Orlando) O.G.Kozlova (Sans vérification)
* Thalassiosira mediaconvexa H.J.Schrader
* Thalassiosira mediterranea (Schröder) Hasle
* Thalassiosira mendiolana Hasle & Heimdal
* Thalassiosira minicosmica Lee & Park
* Thalassiosira minima Gaarder
* Thalassiosira minuscula Krasske
* Thalassiosira miocenica H.J.Schrader
* Thalassiosira mioplicata F.Akiba & Y.Yanagisawa
* Thalassiosira mirniae Jousé (Statut incertain)
* Thalassiosira moholensis (H.J.Schrader) F.Akiba & Y.Yanagisawa (Sans vérification)
* Thalassiosira multipora M.C.Whiting & H.Schrader
* Thalassiosira nana Lohmann
* Thalassiosira nanolineata (A.Mann) Fryxell & Hasle
* Thalassiosira nativa Sheshukova-Poretzkaya
* Thalassiosira nidulus (Tempère & Brun) Jousé (Statut incertain)
* Thalassiosira nodulolineata (Hendey) Hasle & Fryxell
* Thalassiosira nordenskioeldii Cleve (espèce type)
* Thalassiosira obica Kozlova (Statut incertain)
* Thalassiosira oceanica Hasle
* Thalassiosira oestrupii (Ostenfeld) Proschkina-Lavrenko ex Hasle (Statut incertain)
* Thalassiosira oliveriana (O'Meara) I.V.Makarova & V.A.Nikolajev
* Thalassiosira oranica G.R.Hasle
* Thalassiosira ornata Proshkina-Lavrenko
* Thalassiosira pacifica Gran & Angst
* Thalassiosira partheneia Schrader
* Thalassiosira parva Proshkina-Lavrenko
* Thalassiosira perispinosa Y.Tanimura
* Thalassiosira planiuscula (Rattray) D.M.Harwood & T.Maruyama (Sans vérification)
* Thalassiosira plicata H.J.Schrader
* Thalassiosira plicatoides (Simonsen) F.Akiba & Y.Yanagisawa (Sans vérification)
* Thalassiosira poroirregulata Hasle & Heimdal
* Thalassiosira praeconvexa Burckle
* Thalassiosira praefraga Gladenkov & Barron
* Thalassiosira praegracilis Gogorev & Pushina
* Thalassiosira praenidulus F.Akiba
* Thalassiosira praeyabei (Simonsen) F.Akiba & Y.Yanagisawa (Sans vérification)
* Thalassiosira primalabiata A.M.Gombos
* Thalassiosira profunda (Hendey) Hasle
* Thalassiosira pseudomultipora Makarova (Statut incertain)
* Thalassiosira pseudonana Hasle & Heimdal
* Thalassiosira punctifera (Grunow) Fryxell, Simonsen & Hasle
* Thalassiosira punctigera (Castracane) Hasle
* Thalassiosira rosulata Takano (Sans vérification)
* Thalassiosira rudolfii (Bachmann) Hasle
* Thalassiosira sackettii Fryxell
* Thalassiosira salvadoriana Hustedt
* Thalassiosira sancettae F.Akiba
* Thalassiosira scotia Fryxell & Hoban
* Thalassiosira scrotiformis G.W.Chen & S.B.Qian
* Thalassiosira simonsenii Hasle & G.Fryxell
* Thalassiosira simplex Hustedt
* Thalassiosira spicula Kozlova (Statut incertain)
* Thalassiosira spinosa H.J.Schrader
* Thalassiosira strelnikovae I.V.Makarova
* Thalassiosira striata D.M.Harwood & T.Maruyama
* Thalassiosira subsalina Proshkina-Lavrenko
* Thalassiosira subtilis (Ostenfeld) Gran
* Thalassiosira sundarbana Samanta & Bhadury
* Thalassiosira symbolophora H.J.Schrader
* Thalassiosira symmetrica G.A.Fryxell & Hasle
* Thalassiosira tealata Takano
* Thalassiosira temperei (J.Brun) F.Akiba & Y.Yanagisawa (Statut incertain)
* Thalassiosira tenera Proschkina-Lavrenko
* Thalassiosira thailandica Boonyapiwat
* Thalassiosira torokina Brady
* Thalassiosira transitoria Y.Tanimura
* Thalassiosira tubifera Fryxell
* Thalassiosira tumida (Janisch) Hasle
* Thalassiosira ulna Kozlova (Statut incertain)
* Thalassiosira umaoiensis F.Akiba
* Thalassiosira urahoroensis F.Akiba
* Thalassiosira variabilis I.V.Makarova
* Thalassiosira visurgis Hustedt
* Thalassiosira voeringensis Boden (Sans vérification)
* Thalassiosira vulnifica (Gombos) Fenner
* Thalassiosira webbii D.M.Harwood & T.Maruyama
* Thalassiosira wongii Mahood
* Thalassiosira yabei (T.Kanaya) F.Akiba & Y.Yanagisawa
* Thalassiosira yunnaniana Khursevich & Kociolek
* Thalassiosira zabelinae Jousé
Selon Catalogue of Life (6 février 2019) :
* Thalassiosira adeliae Manguin
* Thalassiosira aestivalis
* Thalassiosira angulata (Gregory, 1857) Hasle, 1978
* Thalassiosira angustelineata (A. Schmidt) G. Fryxell & Hasle, 1977
* Thalassiosira antarctica
* Thalassiosira antiqua
* Thalassiosira baltica
* Thalassiosira binata Fryxell
* Thalassiosira bioculata
* Thalassiosira bramaputrae (Ehrenb.) Håk. & Locker
* Thalassiosira condensata
* Thalassiosira conferta
* Thalassiosira constricta
* Thalassiosira decipiens
* Thalassiosira delicatula Ostenfeld in Borgert, 1908
* Thalassiosira eccentrica
* Thalassiosira elsayedii Fryxell, 1975
* Thalassiosira fallax
* Thalassiosira faurii
* Thalassiosira gracilis (Karsten) Hustedt
* Thalassiosira gravida
* Thalassiosira guillardii Hasle
* Thalassiosira hispida Syvertsen
* Thalassiosira hyalina
* Thalassiosira incerta Marakova
* Thalassiosira japonica
* Thalassiosira kryophila
* Thalassiosira lentiginosa (Janisch) G. Fryxell
* Thalassiosira leptopus
* Thalassiosira levanderi Van Goor
* Thalassiosira lineata Jousé
* Thalassiosira mala
* Thalassiosira mendiolana
* Thalassiosira minima Gaarder, 1951
* Thalassiosira minuscula
* Thalassiosira nana
* Thalassiosira nidulus
* Thalassiosira nordenskioeldii Cleve, 1873
* Thalassiosira oestrupii
* Thalassiosira oliverana (O'Meara) Sournia
* Thalassiosira pacifica
* Thalassiosira polychorda
* Thalassiosira profunda
* Thalassiosira pseudonana Hasle & Heim.
* Thalassiosira punctigera Castracane, 1886) Hasle, 1983
* Thalassiosira rotula
* Thalassiosira rudolfii
* Thalassiosira simplex Hust.
* Thalassiosira subtilis
* Thalassiosira tcherniai Manguin
* Thalassiosira tumida (Janisch) Hasle
* Thalassiosira visurgis Hust.
* Thalassiosira weissflogii (Grunow) Fryxell & Hasle
Selon ITIS (6 février 2019) :
* Thalassiosira adeliae Manguin
* Thalassiosira aestivalis
* Thalassiosira angulata (Gregory, 1857) Hasle, 1978
* Thalassiosira angustelineata (A. Schmidt) G. Fryxell & Hasle, 1977
* Thalassiosira antarctica
* Thalassiosira antiqua
* Thalassiosira baltica
* Thalassiosira binata Fryxell
* Thalassiosira bioculata
* Thalassiosira bramaputrae (Ehrenb.) Håk. & Locker
* Thalassiosira condensata
* Thalassiosira conferta
* Thalassiosira constricta
* Thalassiosira decipiens
* Thalassiosira delicatula Ostenfeld in Borgert, 1908
* Thalassiosira eccentrica
* Thalassiosira elsayedii Fryxell, 1975
* Thalassiosira fallax
* Thalassiosira faurii
* Thalassiosira gracilis (Karsten) Hustedt
* Thalassiosira gravida
* Thalassiosira guillardii Hasle
* Thalassiosira hispida Syvertsen
* Thalassiosira hyalina
* Thalassiosira incerta Marakova
* Thalassiosira japonica
* Thalassiosira kryophila
* Thalassiosira lentiginosa (Janisch) G. Fryxell
* Thalassiosira leptopus
* Thalassiosira levanderi Van Goor
* Thalassiosira lineata Jousé
* Thalassiosira mala
* Thalassiosira mendiolana
* Thalassiosira minima Gaarder, 1951
* Thalassiosira minuscula
* Thalassiosira nana
* Thalassiosira nidulus
* Thalassiosira nordenskioeldii Cleve, 1873
* Thalassiosira oestrupii
* Thalassiosira oliverana (O'Meara) Sournia
* Thalassiosira pacifica
* Thalassiosira polychorda
* Thalassiosira profunda
* Thalassiosira pseudonana Hasle & Heim.
* Thalassiosira punctigera Castracane, 1886) Hasle, 1983
* Thalassiosira rotula
* Thalassiosira rudolfii
* Thalassiosira simplex Hust.
* Thalassiosira subtilis
* Thalassiosira tcherniai Manguin
* Thalassiosira tumida (Janisch) Hasle
* Thalassiosira visurgis Hust.
* Thalassiosira weissflogii (Grunow) Fryxell & Hasle
Selon World Register of Marine Species (6 février 2019) :
* Thalassiosira aculeata Proshkina-Lavrenko, 1956
* Thalassiosira adamsi Mertz, 1966
* Thalassiosira adeliae Manguin, 1957
* Thalassiosira aestivalis Gran, 1931
* Thalassiosira affinis Makarova, 1961
* Thalassiosira allenii Takano, 1965
* Thalassiosira ambigua O.G.Kozlova, 1962
* Thalassiosira andamanica A.D.Gedde, 1999
* Thalassiosira annaliae Voltolina, 1971
* Thalassiosira antarctica Comber, 1896
* Thalassiosira antarctica Karsten, 1905
* Thalassiosira antiqua (Grunow) Cleve
* Thalassiosira atlantica Goryanova, 1958
* Thalassiosira aurivillii Cleve, 1901
* Thalassiosira australis M.Peragallo, 1921
* Thalassiosira baldaufii Boden, 1993
* Thalassiosira baltica (Grunow) Ostenfeld, 1901
* Thalassiosira binata Fryxell, 1977
* Thalassiosira bingensis Takano, 1980
* Thalassiosira bioculata (Grunow) Ostenfeld, 1903
* Thalassiosira bipora M. Shiono, 2000
* Thalassiosira borealis Koizumi, 1980
* Thalassiosira brunii Akiba & Yangisawa, 1985
* Thalassiosira bukryi Barron, 1983
* Thalassiosira bulbosa Syvertsen in Syvertsen & Hasle, 1984
* Thalassiosira bungerensis R.M. Gogorev & Z.V. Pushina in Gogorev & al., 2010
* Thalassiosira burckliana Schrader, 1974
* Thalassiosira californica Tanimura, 1996
* Thalassiosira cardiophora Round, 1988
* Thalassiosira caspica Makarova, 1959
* Thalassiosira castanea Akiba & Yanagisawa, 1998
* Thalassiosira catharinensis M. Garcia in M. Garcia & D. Bärwaldt Dutra, 2016
* Thalassiosira cedarkeyensis A.K.S.K.Prasad, 1993
* Thalassiosira centra M. Shiono, 2000
* Thalassiosira chilensis Krasske, 1941
* Thalassiosira clevei Gran, 1897
* Thalassiosira complicata Gersonde, 1991
* Thalassiosira concava Semina, 1991
* Thalassiosira concaviuscula I.V.Makarova, 1978
* Thalassiosira condensata Cleve, 1900
* Thalassiosira conferta Hasle, 1977
* Thalassiosira confusa Makarova, 1975
* Thalassiosira congoi Leuduger-Fortmorel, 1898
* Thalassiosira constricta Gaarder, 1938
* Thalassiosira convexa V.V.Muchina, 1965
* Thalassiosira coramandeliana Subrahmanyan, 1946
* Thalassiosira coromandeliana Subrahmanyan, 1946
* Thalassiosira coronata Gaarder, 1951
* Thalassiosira coronata Proschkina-Lavrenko, 1955
* Thalassiosira coronifera Proschkina-Lavrenko, 1961
* Thalassiosira cretacea Deflandre, 1941
* Thalassiosira cryophila Kisselev, 1931
* Thalassiosira cuitzeonensis I.Israde, K.Serieyssol & F.Gasse, 1998 †
* Thalassiosira curiosa Hajós, 1973
* Thalassiosira curviseriata Takano, 1981
* Thalassiosira decipiens (Grunow) E.G.Jørgensen, 1905
* Thalassiosira decorata Cleve-Euler, 1941
* Thalassiosira decrescens Skabichevskaya, 1984
* Thalassiosira delicatissima Proschkina-Lavrenko, 1960
* Thalassiosira delicatula Hustedt, 1958
* Thalassiosira delicatula Ostenfeld, 1908
* Thalassiosira densannula Hasle & Fryxell, 1977
* Thalassiosira depressa M. Shiono, 2000 †
* Thalassiosira diporocyclus Hasle, 1972
* Thalassiosira distans Pouchet, 1891
* Thalassiosira dolmatovae Oreshkina ex A.Gladenkov, 2013 †
* Thalassiosira dubia Kozlova, 1962
* Thalassiosira dubia Leuduger-Fortmorel, 1892
* Thalassiosira dubiosa Schrader in Schrader & Fenner, 1976
* Thalassiosira duostra C.Pienaar, 1990
* Thalassiosira eccentrica (Ehrenberg) Cleve, 1904
* Thalassiosira echinata Semina in Semina & Fryxell, 1994
* Thalassiosira elliptipora (Donahue) Fenner, 1991
* Thalassiosira elliptipora J.Fenner ex A.D.Mahood & J.A.Barron
* Thalassiosira elsayedii Fryxell, 1975
* Thalassiosira endoseriata Hasle & G.Fryxell, 1977
* Thalassiosira excentrica Karsten, 1905
* Thalassiosira exceptiuncula Shiono
* Thalassiosira exigua G.Fryxell & Hasle, 1977
* Thalassiosira expecta VanLandingham, 1978
* Thalassiosira fallax Kozlova, 1962
* Thalassiosira fallax Meunier, 1910
* Thalassiosira fasciculata Harwood & Maruyama, 1992
* Thalassiosira favosa Makarova in Makarova & Sukhanova, 1998
* Thalassiosira feibelii Brindle & Mohan in Brindle & al., 2018 †
* Thalassiosira ferelineata Hasle & G.A.Fryxell, 1977
* Thalassiosira flexuosa (J.Brun) F.Akiba & Y.Yanagisawa
* Thalassiosira fraga Schrader in Schrader & Fenner, 1976
* Thalassiosira fragilis G. Fryxell in Fryxell, Gould & Watkins, 1984
* Thalassiosira frenguelli Kozlova, 1964
* Thalassiosira frenguellii O.G.Kozlova, 1964
* Thalassiosira frenguelliopsis G.A.Fryxell & J.R.Johans, 1985
* Thalassiosira frigida Cleve-Euler, 1917
* Thalassiosira frigida Cleve-Euler, 1942
* Thalassiosira fryxelliae Sunesen & Sar, 2004
* Thalassiosira gasseae Brindle & Mohan in Brindle & al., 2018 †
* Thalassiosira gelatinosa Hensen, 1887
* Thalassiosira gelatinosus Lemmermann, 1899
* Thalassiosira gerloffii Rivera, 1981
* Thalassiosira gersondei Barron in Baldauf & Barron, 1991
* Thalassiosira gessneri Hustedt, 1956
* Thalassiosira gravida Cleve, 1896
* Thalassiosira grunowii Akiba & Yanagisawa, 1985
* Thalassiosira guillardii Hasle, 1978
* Thalassiosira hasleae Cassie & Dempsey, 1980
* Thalassiosira haynaldiella Jousé, 1961
* Thalassiosira hendeyi Hasle & G.Fryxell, 1977
* Thalassiosira heteromera Makarova, 1975
* Thalassiosira hibernalis Gayoso, 1989
* Thalassiosira hispanica Paulsen, 1930 (1931)
* Thalassiosira hispida Syvertsen, 1986
* Thalassiosira hyalina (Grunow) Gran, 1897
* Thalassiosira hyalinopsis Barron, 1975
* Thalassiosira hydra Gombos in Gombos & Ciesielski, 1983
* Thalassiosira hyperborea (Grunow) Hasle in Hasle & Lange, 1989
* Thalassiosira ignota Makarova, 1975
* Thalassiosira incerta Makarova, 1961
* Thalassiosira indefinita Jousé, 1959
* Thalassiosira indica Kazarina, 1978
* Thalassiosira intermedia Makarova, 1988
* Thalassiosira intrannula Herzig & Fryxell, 1986
* Thalassiosira inura Gersonde, 1991
* Thalassiosira irregulata Schrader in Schrader & Fenner, 1976
* Thalassiosira jacksonii Koizumi & Barron in Koizumi, 1980
* Thalassiosira japonica Kisselev, 1935
* Thalassiosira jouseae Akiba, 1985
* Thalassiosira kanayae Tanimura, 1996
* Thalassiosira karenae Semina, 1981
* Thalassiosira khursevicha Laslandes & Kociolek in Kociolek & al., 2014
* Thalassiosira kozlovii Makarova, 1971
* Thalassiosira kushirensis Takano, 1985
* Thalassiosira labimarginata Bodén, 1993
* Thalassiosira laevis Gao & Cheng, 1992
* Thalassiosira latimarginata Makarova, 1975
* Thalassiosira leptopus (Grunow ex Van Heurck) Hasle & G.Fryxell, 1977
* Thalassiosira levanderi van Goor, 1924
* Thalassiosira licea G.Fryxell, 1978
* Thalassiosira lindstroemii Boden, 1992
* Thalassiosira lineata Jousé, 1968
* Thalassiosira lineoides Herzig & Fryxell, 1986
* Thalassiosira livingstoniorum A.K.S.K.Prasad, P.Hargraves & J.A.Nienow, 2011
* Thalassiosira longifultoportulata R.M.Gogorev & Z.V.Pushina, 2010 †
* Thalassiosira longissima Cleve, 1906-1908
* Thalassiosira lundiana Fryxell, 1975
* Thalassiosira lusca Schrader in Schrader & Fenner, 1976
* Thalassiosira maculata G.A.Fryxell & J.R.Johansen, 1985
* Thalassiosira maeotica Proschkina-Lavrenko, 1960
* Thalassiosira mahoodii Barron in Baldauf & Barron, 1991
* Thalassiosira makarovae Mukhina, 1978
* Thalassiosira mala Takano, 1965
* Thalassiosira manifesta Sheshukova-Poretskaya, 1961
* Thalassiosira manifesta Sheshukova-Poretzkaja, 1964
* Thalassiosira manifesta Sheshukova-Poretzky emend Makarova in Gleser, Makarova, Moiseeva & Nikolaev, 1988
* Thalassiosira marginata Venkataraman, 1939
* Thalassiosira marujamica Sheshukova-Poretzkaya, 1959
* Thalassiosira marujamica Sheshukova-Poretzky emend Makarova in Gleser, Makarova, Moiseeva & Nikolaev, 1988
* Thalassiosira mediaconvexa Schrader in Schrader & Fenner, 1976
* Thalassiosira mendiolana Hasle & Heimdal, 1970
* Thalassiosira minicosmica Lee & Park, 2015
* Thalassiosira minima Gaarder, 1951
* Thalassiosira minima Mertz, 1966
* Thalassiosira minuscula Krasske, 1941
* Thalassiosira minutissima Oreshkina in Barron & Gladenkov, 1995
* Thalassiosira miocenica Schrader, 1974
* Thalassiosira mioplicata Akiba & Yanagisawa, 1985
* Thalassiosira mirniae Jousé, 1962
* Thalassiosira mirnyi Jousé, 1965
* Thalassiosira mizunamiensis Yanagisawa, 1993
* Thalassiosira monile Cleve, 1900 (1901)
* Thalassiosira monoporocyclus Hasle, 1972
* Thalassiosira multipora Whiting & Schrader, 1985
* Thalassiosira nana Lohmann, 1908
* Thalassiosira nansenii Scherer & Koc, 1996
* Thalassiosira nativa Sheshukova-Poretskaya, 1964
* Thalassiosira nevadica Khursevich & Van Landingham, 1993
* Thalassiosira nitzschioides (Grunow) Mereschkowsky, 1902
* Thalassiosira nitzschioides Derjugin, K.M., 1915
* Thalassiosira nordenskioeldii Cleve, 1873
* Thalassiosira nordenskioldii Cleve emend Berg, 1952
* Thalassiosira obica Kozlova, 1967
* Thalassiosira oceanica Hasle, 1983
* Thalassiosira oliverana
* Thalassiosira oliveriana (O'Meara) I.V.Makarova & V.A.Nikolajev, 1983
* Thalassiosira opposita Koizumi, 1980
* Thalassiosira oranica Hasle, 1985
* Thalassiosira ordinaria Makar, 1977
* Thalassiosira orientalis Sheshukova-Poretzky emend Makarova in Gleser, Makarova, Moiseeva & Nikolaev, 1988
* Thalassiosira orientalis Sheshukova-Porezkaya, 1959
* Thalassiosira ornata Proshkina-Lavrenko, 1959
* Thalassiosira ostenfeldii Cleve-Euler, 1951
* Thalassiosira pacifica Gran & Angst, 1931
* Thalassiosira partheneia Schrader, 1972
* Thalassiosira parva Proschkina-Lavrenko, 1955
* Thalassiosira parvula Makarova, 1977
* Thalassiosira perispinosa Tanimura, 1996
* Thalassiosira perpusilla Kozlova, 1967
* Thalassiosira plicata Schrader, 1974
* Thalassiosira poro-irregulata Hasle & Heimdal, 1970
* Thalassiosira porosiroides Makarova, 1991
* Thalassiosira praeconvexa Burckle emend Gersonde & Schrader, 1984
* Thalassiosira praeconvexa Burckle, 1972
* Thalassiosira praefraga Gladenkov & Barron, 1995 †
* Thalassiosira praekryophila Oreshkina in Oreshkina & Vitukhin, 1987
* Thalassiosira praenidulus Akiba, 1985
* Thalassiosira praeoestrupii M.P.Dumont, J.G.Baldauf & J.A.Barron, 1986 †
* Thalassiosira primalabiata Gombos in Gombos & Ciesielski, 1983
* Thalassiosira proschkinae Makarova, 1979
* Thalassiosira pseudomultipora Makarova, 1990
* Thalassiosira pseudonana Hasle & Heimdal, 1970
* Thalassiosira pulchella Takano, 1963
* Thalassiosira punctata Jousé, 1959
* Thalassiosira punctata Jousé, 1961
* Thalassiosira punctatus Venkataraman, 1941
* Thalassiosira regulata Kazarina, 1978
* Thalassiosira rosulata Takano, 1985
* Thalassiosira rotula Meunier, 1910
* Thalassiosira sackettii G. Fryxell, 1977
* Thalassiosira salvadoriana Hustedt, 1956
* Thalassiosira sancettae Akiba, 1985
* Thalassiosira sarmatica Hajós, 1973
* Thalassiosira saturni Lohmann, 1908
* Thalassiosira scotia Fryxell & Hoban, 1979
* Thalassiosira sheshukovae Makarova, 1988
* Thalassiosira simonsenii Hasle & G.Fryxell, 1977
* Thalassiosira simplex Hustedt, 1956
* Thalassiosira singularis Sheshukova-Poretskaya, 1967
* Thalassiosira solitaria Gayoso, 1985
* Thalassiosira spicula Kozlova, 1967
* Thalassiosira spinoconvexa Akiba & Yanagisawa, 1998
* Thalassiosira spinosa H.J.Schrader, 1976
* Thalassiosira spinosa Simonsen, 1974
* Thalassiosira spinulata Takano, 1981
* Thalassiosira spumellaroides Schrader, 1976
* Thalassiosira stellaris Hasle & Guillard, 1977
* Thalassiosira strelnikoviae Makarova, 1976
* Thalassiosira striata Harwood & Maruyama, 1992
* Thalassiosira subsalina Proshkina-Lavrenko, 1955
* Thalassiosira subtilis (Ostenfeld) Gran, 1900
* Thalassiosira sundarbana B. Samanta & P. Bhadury, 2015
* Thalassiosira symbolophora Schrader, 1974
* Thalassiosira symmetrica G.A.Fryxell & Hasle, 1973
* Thalassiosira tappanae Barron, 1985
* Thalassiosira tcherniai Manguin, 1957
* Thalassiosira tealata Takano, 1980
* Thalassiosira tenera Proschkina-Lavrenko, 1961
* Thalassiosira tertiaria Sheshukova-Poretskaya, 1967
* Thalassiosira tetraoestrupii Bodén, 1993 †
* Thalassiosira thailandica Boonyapiwat in Boonyapiwat & Takano, 1986
* Thalassiosira torokina Brady, 1977
* Thalassiosira transitoria Tanimura, 1996
* Thalassiosira trifulta G.Fryxell, 1979
* Thalassiosira tropica Misra, 1956
* Thalassiosira tubifera Fryxell, 1975
* Thalassiosira ulna Kozlova, 1967
* Thalassiosira umaoiensis Akiba, 1985
* Thalassiosira urahoroensis Akiba, 1985
* Thalassiosira usachevii Jousé, 1959
* Thalassiosira usatschevii Jousé, 1961
* Thalassiosira variabilis
* Thalassiosira variantia M.Shiono, 2001 †
* Thalassiosira visurgis Hustedt, 1957
* Thalassiosira voeringensis Bodén, 1992
* Thalassiosira webbi Harwood & Maruyama, 1992
* Thalassiosira willei Henckel, 1925
* Thalassiosira wongii Mahood in Mahood, Fryxell & McMillan, 1986