Calyptrella D.U. Hernández-Becerril & M.E. Meave del Castillo, 1996
Calyptrella robusta (G.Norman ex Ralfs) D.U.Hernández-Becerril & M.E.Meave del Castillo, 1996 accepted as Rhizosolenia robusta var. robusta Norman ex Ralfs in Pritchard, 1861
Dactyliosolen A.F. Castracane, 1886
Dactyliosolen alternans Hensen, 1911 (uncertain > unassessed )
Dactyliosolen antarcticus Castracane, 1886 (uncertain > unassessed )
Dactyliosolen antarcticus f. borealis (Karsten) Hendey, 1937 accepted as Dactyliosolen borealis Karsten, 1905
Dactyliosolen antarcticus f. laevis (Karsten) Heiden accepted as Dactyliosolen laevis Karsten, 1905
Dactyliosolen antarcticus f. typica Heiden & Kolbe, 1928 (uncertain > unassessed )
Dactyliosolen antarcticus var. curvatus Hasle, 1960 (uncertain > unassessed )
Dactyliosolen antarcticus var. tenuis Cleve, 1897 (uncertain > unassessed )
Dactyliosolen antarcticus var. typica Heiden & Kolbe, 1928 (uncertain > unassessed )
Dactyliosolen areolatus Heiden (uncertain > unassessed )
Dactyliosolen bergonii H. Peragallo, 1892 (uncertain > unassessed )
Dactyliosolen blavyanus (H.Peragallo) Hasle, 1975 accepted as Guinardia blavyana var. blavyana H. Peragallo, 1892
Dactyliosolen borealis Karsten, 1905 (uncertain > unassessed )
Dactyliosolen curvatus Hasle, 1960 (uncertain > unassessed )
Dactyliosolen flexuosus Manguin, 1915 (uncertain > unassessed )
Dactyliosolen fragilissimus (Bergon) Hasle, 1996 accepted as Rhizosolenia fragilissima f. fragilissima Bergon, 1903
Dactyliosolen hendeyi Thorrington-Smith, 1970 (uncertain > unassessed )
Dactyliosolen hyalinus Cleve, 1900 (uncertain > unassessed )
Dactyliosolen laevis Karsten, 1905 (uncertain > unassessed )
Dactyliosolen mediterraneus (Peragallo) Peragallo, 1892 accepted as Lauderia mediterranea H.Peragallo, 1888
Dactyliosolen mediterraneus var. tenuis Cleve, 1897 (uncertain > unassessed )
Dactyliosolen meleagris Karsten, 1906 (uncertain > unassessed )
Dactyliosolen phuketensis (B.G.Sundström) G.R.Hasle, 1996 accepted as Rhizosolenia phuketensis B.G.Sundström, 1980
Dactyliosolen porosum Hensen, 1911 (uncertain > unassessed )
Dactyliosolen priscus Forti & Schulz, 1932 (uncertain > unassessed )
Dactyliosolen robustum Hensen, 1911 (uncertain > unassessed )
Dactyliosolen tenuijunctus (Manguin) Hasle, 1975 accepted as Rhizosolenia tenuijuncta Manguin, 1960
Dactyliosolen tenuis (Cleve) Gran, 1902 accepted as Dactyliosolen mediterraneus var. tenuis Cleve, 1897
Dactyliosolen voigtii Manguin, 1960 (uncertain > unassessed )
Guinardia H. Peragallo, 1892
Guinardia baltica Schütt, 1896 (uncertain > unassessed )
Guinardia blavyana H.Peragallo, 1892 accepted as Dactyliosolen blavyanus (H.Peragallo) Hasle, 1975 accepted as Guinardia blavyana var. blavyana H. Peragallo, 1892
Guinardia blavyana var. blavyana H. Peragallo, 1892 (uncertain > unassessed )
Guinardia blavyana var. conspicua H. Peragallo, 1892 (uncertain > unassessed )
Guinardia corona Hensen, 1911 (uncertain > unassessed )
Guinardia cylindrus (Cleve) Hasle, 1996 accepted as Rhizosolenia cylindrus Cleve, 1897
Guinardia delicatula (Cleve) Hasle, 1997 accepted as Rhizosolenia delicatula Cleve, 1900
Guinardia dubia Hensen, 1911 (uncertain > unassessed )
Guinardia elongata Lemmermann, 1899 (uncertain > unassessed )
Guinardia flaccida (Castracane) H.Peragallo, 1892 accepted as Rhizosolenia flaccida Castracane, 1886
Guinardia magna Hensen, 1911 (uncertain > unassessed )
Guinardia pungens Cleve-Euler
Guinardia pyxilloides Hensen, 1911 (uncertain > unassessed )
Guinardia stephanos (Hensen) F.W. Mills, 1934 accepted as Pyxilla stephanos Hensen, 1887
Guinardia stephanos (Hensen) Hensen, 1895 (uncertain > unassessed )
Guinardia striata (Stolterfoth) Hasle, 1996 accepted as Eucampia striata Stolterfoth, 1879
Guinardia striata Hensen, 1911 (uncertain > unassessed )
Guinardia tubiformis (G.R.Hasle) Hasle, 1996 accepted as Rhizosolenia tubiformis G.R.Hasle, 1975
Guinardia victoriae Karsten, 1905 (uncertain > unassessed )
Neocalyptrella D.U. Hernández-Becerril & M.E. Meave del Castillo, 1997
Neocalyptrella robusta (G.Norman ex Ralfs) Hernández-Becerril & Meave del Castillo, 1997 accepted as Rhizosolenia robusta var. robusta Norman ex Ralfs in Pritchard, 1861
Proboscia Bo G. Sundström, 1986
Proboscia alata (Brightwell) Sundström, 1986 (uncertain > unassessed )
Proboscia alata f. alata (Brightwell) Sündstrom, 1986
Proboscia alata f. gracillima (Brightwell) Sundström, 1896
Proboscia alata f. gracillima (Cleve) Gran (uncertain > unassessed )
Proboscia alata f. indica (H. Peragallo) Licea & Moreno in Moreno, Licea & Santoyo, 1996 accepted as Rhizosolenia indica H.Peragallo, 1892
Proboscia angustata R.W.Jordan & Saito, 1999 † (uncertain > unassessed )
Proboscia antiqua Jordan & Ito, 2002 (uncertain > unassessed )
Proboscia barboi (Brun) Jordan & Priddle, 1991 accepted as Pyxilla barboi (J.-J.Brun) J.-J.Brun
Proboscia capitata R.W.Jordan & Saito, 1999 (uncertain > unassessed )
Proboscia ciesielskii (Fenner) J.Witkowski, 2020 †
Proboscia cretacea (Hajos & Stradner) Jordan & Priddle, 1991 accepted as Rhizosolenia cretacea Hajós & Stradner in Hajós, 1974
Proboscia curvirostris (Jousé) Jordan & Priddle, 1991 (uncertain > unassessed )
Proboscia eumorpha K.Takahashi, R.W.Jordan & J.Priddle, 1994 (uncertain > unassessed )
Proboscia hajosiana Jordan & Ito, 2002 (uncertain > unassessed )
Proboscia indica (H.Peragallo) Hernández-Becerril, 1995 accepted as Rhizosolenia indica H.Peragallo, 1892
Proboscia inermis (F.Castracane) R.W.Jordan & R.Ligowski, 1991 (uncertain > unassessed )
Proboscia interposita (Hajós) Jordan & Priddle, 1991 accepted as Rhizosolenia interposita Hajós, 1976
Proboscia monospina Jordan & Ito, 2002 (uncertain > unassessed )
Proboscia pinguis R.W.Jordan & Saito, 1999 † (uncertain > unassessed )
Proboscia praealata (Schrader) R.W.Jordan & Saito, 1999 † accepted as Rhizosolenia praealata H.J.Schrader, 1973
Proboscia praebarboi (Schrader) Jordan & Priddle, 1991 accepted as Rhizosolenia praebarboi Schrader, 1973
Proboscia praecurvirostris R.W.Jordan & Saito, 1999 † (uncertain > unassessed )
Proboscia rectidentata R.W.Jordan & Saito, 1999 (uncertain > unassessed )
Proboscia subarctica Takahashi, Jordan & Priddle, 1994 (uncertain > unassessed )
Proboscia trispina Jordan & Ito, 2002 (uncertain > unassessed )
Proboscia truncata (G.Karsten) Nöthig & Ligowski, 1991 accepted as Rhizosolenia truncata G.Karsten, 1905
Proboscia unicornis Jordan & Ito, 2002 (uncertain > unassessed )
Pseudosolenia B.G. Sundstrom, 1986
Pseudosolenia calcar-avis (Schultze) B.G.Sundström, 1986
Rhizosolenia C.G. Ehrenberg, 1843 accepted as Rhizosolenia T. Brightwell, 1858
Rhizosolenia T. Brightwell, 1858
Rhizosolenia acicularis B.G.Sundström, 1986
Rhizosolenia acuminata (H.Peragallo) Gran, 1905
Rhizosolenia acuminata (H.Peragallo) H.Peragallo, 1907
Rhizosolenia acuminata f. acuminata (H. Peragallo) Peragallo & Peragallo, 1907 accepted as Rhizosolenia temperei f. acuminata H. Peragallo, 1892
Rhizosolenia acuminata f. debilis Gran, 1905 (1908) (uncertain > unassessed )
Rhizosolenia africana Karsten, 1907 (uncertain > unassessed )
Rhizosolenia africana Woloszynska, 1914 (uncertain > unassessed )
Rhizosolenia alata (H. Peragallo) Margalef & Durán, 1953 accepted as Rhizosolenia indica H.Peragallo, 1892
Rhizosolenia alata Brightwell, 1858 accepted as Proboscia alata (Brightwell) Sundström, 1986
Rhizosolenia alata f. alata Brightwell, 1858 (uncertain > unassessed )
Rhizosolenia alata f. corpulenta (Cleve) Peragallo & Peragallo, 1897-1908 accepted as Rhizosolenia alata var. corpulenta Cleve, 1897
Rhizosolenia alata f. curvirostris (Jousé) Jousé, 1961 (uncertain > unassessed )
Rhizosolenia alata f. curvirostris Gran, 1900 (uncertain > unassessed )
Rhizosolenia alata f. digitata Dangeard, 1927 (uncertain > unassessed )
Rhizosolenia alata f. gallaecica Osorio-Tafall, 1936 (uncertain > unassessed )