Rhabdonema adriaticum Kützing, 1844
Rhabdonema adriaticum var. adriaticum Kützing, 1844 (uncertain > unassessed )
Rhabdonema adriaticum var. australis Cleve-Euler, 1949 (uncertain > unassessed )
Rhabdonema adriaticum var. diminutum (Pantocsek) Forti ex Tempère & Peragallo, 1914 accepted as Rhabdonema diminutum Pantocsek, 1892
Rhabdonema adriaticum var. fossilis Pantocsek, 1889 (uncertain > unassessed )
Rhabdonema arcuatum (Lyngbye) Kützing, 1844
Rhabdonema arcuatum f. arcuatum (Lyngbye; Agardh) Kützing, 1844 (uncertain > unassessed )
Rhabdonema arcuatum f. contracta Fricke in A. Schmidt, 1899 (uncertain > unassessed )
Rhabdonema arcuatum f. maxima (Cleve-Euler) Cleve-Euler, 1953 accepted as Rhabdonema arcuatum var. maxima Cleve-Euler, 1915
Rhabdonema arcuatum var. californicum Grunow in Cleve & Möller, 1878 (uncertain > unassessed )
Rhabdonema arcuatum var. genuinum Cleve-Euler, 1953 (uncertain > unassessed )
Rhabdonema arcuatum var. maxima Cleve-Euler, 1915 (uncertain > unassessed )
Rhabdonema arcuatum var. oestrupii (Cleve-Euler) (uncertain > unassessed )
Rhabdonema arcuatum var. robusta (Grunow) Hustedt, 1931 accepted as Rhabdonema robustum Grunow, 1862
Rhabdonema arcuatum var. robustum (Grunow) Hustedt, 1931
Rhabdonema arcuatum var. subrostratum (Fricke in Schmidt et al.) Hustedt, 1931 accepted as Rhabdonema subrostratum var. subrostratum Fricke in Schmidt et al., 1899
Rhabdonema arcuatum var. ventricosum Cleve, 1873 (uncertain > unassessed )
Rhabdonema atlanticum Kain in Kain & Schultze, 1889 (uncertain > unassessed )
Rhabdonema biquadratum Brun in Brun & Tempère, 1889 (uncertain > unassessed )
Rhabdonema crassum Hendey, 1964 (uncertain > unassessed )
Rhabdonema crozieri (Ehrenberg; Ehrenberg) Grunow, 1862 accepted as Striatella crozieri Ehrenberg, 1853
Rhabdonema crozieri Ralfs in Pritchard, 1861 (uncertain > unassessed )
Rhabdonema diminutum Pantocsek, 1892 (uncertain > unassessed )
Rhabdonema ehrenbergii Fricke in Schmidt et al., 1899 (uncertain > unassessed )
Rhabdonema elegans Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed )
Rhabdonema fauriae Petit, 1890 (uncertain > unassessed )
Rhabdonema formosum Brun, 1892 (uncertain > unassessed )
Rhabdonema formosum Brun, 1893 (uncertain > unassessed )
Rhabdonema gibbosum C. Mereschkowsky, 1901 (uncertain > unassessed )
Rhabdonema hamuliferum Kitton, 1878 (uncertain > unassessed )
Rhabdonema hyalinum Meunier, 1910 (uncertain > unassessed )
Rhabdonema indicum Misra, 1956 (uncertain > unassessed )
Rhabdonema japonicum (uncertain > unassessed )
Rhabdonema japonicum var. japonicum Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed )
Rhabdonema japonicum var. recta Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed )
Rhabdonema japonicum var. sparsicostatum Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed )
Rhabdonema japonicum var. valdelata (Tempère & Brun in Brun & Tempère) Fricke in Schmidt et al., 1899 accepted as Rhabdonema valdelatum Tempère & Brun in Brun & Tempère, 1889
Rhabdonema japonicum var. valdelatasparsicostata Fricke in Schmidt et al., 1899 (uncertain > unassessed )
Rhabdonema karajacense Richter, 1880 (uncertain > unassessed )
Rhabdonema lineare (uncertain > unassessed )
Rhabdonema lineare var. lineare Mereschkowsky, 1901 (uncertain > unassessed )
Rhabdonema lineare var. spirale Swirenko, 1938 (uncertain > unassessed )
Rhabdonema marinum Tomazo, 1938 (uncertain > unassessed )
Rhabdonema mikado Pantocsek, 1892 (uncertain > unassessed )
Rhabdonema minutum Kützing, 1844
Rhabdonema minutum f. capitata Berg in Berg & Hessland, 1949 (uncertain > unassessed )
Rhabdonema minutum f. minutum Kützing, 1844 (uncertain > unassessed )
Rhabdonema minutum var. capitata (Berg in Berg & Hessland) Cleve-Euler, 1953 (uncertain > unassessed )
Rhabdonema minutum var. oestrupii (Cleve-Euler) Cleve-Euler, 1953 accepted as Rhabdonema oestrupii Cleve-Euler, 1915
Rhabdonema minutum var. sulcata Fricke in Schmidt et al., 1899 (uncertain > unassessed )
Rhabdonema minutum var. vulgare Cleve-Euler, 1953 (uncertain > unassessed )
Rhabdonema mirificum W. Smith, 1856 accepted as Climaconeis mirifica (W. Smith) Kuntze, 1898
Rhabdonema musica Brun, 1891 (uncertain > unassessed )
Rhabdonema oestrupii Cleve-Euler, 1915 (uncertain > unassessed )
Rhabdonema partitum Grove (uncertain > unassessed )
Rhabdonema punctatum (Harvey & Bailey) Stodder, 1880 accepted as Hyalosira punctata Harvey & J.W. Bailey, 1853
Rhabdonema robustum Grunow, 1862 (uncertain > unassessed )
Rhabdonema robustum sensu Mereschkowsky, 1902 (uncertain > unassessed )
Rhabdonema scabellum Giffen, 1970 (uncertain > unassessed )
Rhabdonema subrostratum (uncertain > unassessed )
Rhabdonema subrostratum var. parallelolateralis Fricke in Schmidt et al., 1899 (uncertain > unassessed )
Rhabdonema subrostratum var. subrostratum Fricke in Schmidt et al., 1899 (uncertain > unassessed )
Rhabdonema sutum Mann, 1925 (uncertain > unassessed )
Rhabdonema taeniatum (Pantocsek) Pantocsek, 1905 (uncertain > unassessed )
Rhabdonema thaiszii Pantocsek, 1909 (uncertain > unassessed )
Rhabdonema torellii (uncertain > unassessed )
Rhabdonema torellii var. regularis Østrup, 1895 (uncertain > unassessed )
Rhabdonema torellii var. torellii Cleve, 1873 (uncertain > unassessed )
Rhabdonema valdelatum Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed )
Rhabdonema woolmanianum Boyer, 1898 (uncertain > unassessed )