Traits Taxon list
Campylopyxis garkeana (Grunow) L.K.Medlin, 1985 accepted as Rhoikoneis garkeana var. garkeana Grunow, 1863
Campylopyxis germainii D.G. Mann, 1990 (uncertain > unassessed )
Cuneolus minutus Giffen, 1970 (uncertain > unassessed )
Cuneolus skvortzowii (Nikolajev) Medlin in Medlin & Round, 1986 accepted as Gomphonema skvortzowii Nikolaev, 1970
Gomphonemopsis exigua (Kützing) Medlin in Medlin & Round, 1986 (uncertain > unassessed )
Gomphonemopsis exigua var. platypus (Østrup) Snoeijs in Snoeijs & Balashova, 1998 accepted as Gomphonema platypus Østrup, 1910
Gomphonemopsis lindae Witkowski, Metzeltin & Lange-Bertalot in Metzeltin & Witkowski, 1996 (uncertain > unassessed )
Gomphonemopsis littoralis (Hendey) Medlin in Medlin & Round, 1986 accepted as Gomphonema littorale Hendey, 1977
Gomphonemopsis pseudexigua (Simonsen) Medlin in Medlin & Round, 1986 accepted as Gomphonema pseudoexiguum Simonsen, 1959
Gomphonemopsis sieminskae Krzywda, Gastineau, Ch. Zhou & Witkowski, 2019
Gomphoseptatum aestuarii (Cleve) Medlin in Medlin & Round, 1986 accepted as Gomphonema aestuarii Cleve, 1893
Gomphoseptatum pseudoseptatum (Giffen) A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000 accepted as Gomphonema pseudoseptatum Giffen, 1970
Gomphosphenia americana Kociolek & Thomas in Kociolek et al., 2014
Gomphosphenia fontinalis H. Lange-Bertalot, L. Ector & M. Werum in Werum & Lange-Bertalot, 2004
Gomphosphenia grovei (M.Schmidt) Lange-Bertalot, 1995
Gomphosphenia grovei var. lingulata (Hustedt) Lange-Bertalot, 1995 accepted as Gomphonema lingulatum var. lingulatum Hustedt, 1927
Gomphosphenia holmquistii (Foged) Lange-Bertalot, 1995
Gomphosphenia holmquistii var. alaskaensis (Foged) Lange-Bertalot, 1995 accepted as Gomphonema holmquistii var. alaskaensis Foged, 1968
Gomphosphenia indistincta Kociolek & Thomas in Kociolek et al., 2014
Gomphosphenia lingulatiformis (Lange-Bertalot & E.Reichardt) Lange-Bertalot, 1995
Gomphosphenia oahuensis (Hustedt) Lange-Bertalot
Gomphosphenia paradoxa Lange-Bertalot, 1995 (uncertain > unassessed )
Gomphosphenia pfannkucheae (B.J.Cholnoky) Lange-Bertalot, 1995
Gomphosphenia praegans J.A.Ress, E.W.Thomas & Kociolek, 2016
Gomphosphenia reicheltii (M. Schmidt) Lange-Bertalot, 1995 (uncertain > unassessed )
Gomphosphenia ryukyuensis Tuji & Ohtsuka, 2016
Gomphosphenia stoermeri J.P.Kociolek & E.W.Thomas, 2009
Gomphosphenia tackei (Hustedt) Lange-Bertalot, 1995
Gomphosphenia tenerrima (Hustedt) E. Reichardt, 1999 (uncertain > unassessed )
Gomphosphenia tenuis Z.Levkov & D.M.Williams, 2011
Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot, 1980
Rhoicosphenia adolfi M. Schmidt in Schmidt et al., 1899 (uncertain > unassessed )
Rhoicosphenia adriatica Caput Mihalic & Levkov, 2010
Rhoicosphenia affinis Levkov, 2010
Rhoicosphenia assymmetrica (Gutwinski) Gutwinski, 1892 accepted as Gomphonema asymmetricum Gutwinski, 1890
Rhoicosphenia asymmetrica (Gutwinski) Schonfeldt, 1913 accepted as Gomphonema asymmetricum Gutwinski, 1890
Rhoicosphenia baicalensis Skabichevskii, 1976 (uncertain > unassessed )
Rhoicosphenia baltica (Schumann) Z. Levkov in Levkov et al., 2010 accepted as Rhoicosphenia fracta var. baltica Schumann, 1867
Rhoicosphenia californica E.W.Thomas & Kociolek, 2015
Rhoicosphenia contractum (Kützing) Rabenhorst, 1864 accepted as Gomphonema contractum Kützing, 1844
Rhoicosphenia cuspidata (Rabenhorst) De Toni, 1891 accepted as Gomphonema cuspidatum G.L.Rabenhorst, 1853
Rhoicosphenia dalmatica Rabenhorst ex Reinhard, 1885 (uncertain > unassessed )
Rhoicosphenia flexa M.Schmidt cf Giffen acc.J.R.Carter et al. (uncertain > unassessed )
Rhoicosphenia fossilis Cleve-Euler, 1915 (uncertain > unassessed )
Rhoicosphenia fracta (Schumann) De Toni, 1891
Rhoicosphenia fracta var. baltica Schumann, 1867 (uncertain > unassessed )
Rhoicosphenia fracta var. fracta (Schumann) Rabenhorst, 1864 accepted as Gomphonema fractum J.Schumann, 1862
Rhoicosphenia gandhii E.W. Thomas, B. Karthick & Kociolek, 2014 †
Rhoicosphenia genuflexa (Kützing) L.K.Medlin, 1984 accepted as Navicula genuflexa Kützing, 1844
Rhoicosphenia indica E.W. Thomas, B. Karthick & Kociolek, 2014 †
Rhoicosphenia kolbei A. Berg, 1952 (uncertain > unassessed )
Rhoicosphenia lacustris Levkov, 2010
Rhoicosphenia lesothensis Schoeman, 1973 accepted as Nupela lesothensis (Schoeman) H. Lange-Bertalot in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000
Rhoicosphenia linearis Østrup, 1912 (uncertain > unassessed )
Rhoicosphenia lowei E.W.Thomas & Kociolek, 2015
Rhoicosphenia macedonica Z.Levkov, 2007
Rhoicosphenia marina (Kützing) M.Schmidt, 1889
Rhoicosphenia marina Aubert, 1894 (uncertain > unassessed )
Rhoicosphenia marina Berg, 1949 (uncertain > unassessed )
Rhoicosphenia marina f. major M. Schmidt in Schmidt et al., 1899 (uncertain > unassessed )
Rhoicosphenia marina f. marina M. Schmidt in Schmidt et al., 1899 (uncertain > unassessed )
Rhoicosphenia marina f. minor M. Schmidt in Schmidt et al., 1899 (uncertain > unassessed )
Rhoicosphenia marina var. heterostricta M. Schmidt in Schmidt et al., 1899 (uncertain > unassessed )
Rhoicosphenia marina var. intermedia M. Schmidt in Schmidt et al., 1899 (uncertain > unassessed )
Rhoicosphenia marina var. japonica Skvortzow, 1929 (uncertain > unassessed )
Rhoicosphenia michalii R.Ligowski, 2014
Rhoicosphenia oceanicum H. Peragallo in Tempère & Peragallo, 1910 (uncertain > unassessed )
Rhoicosphenia omblaensis Caput Mihalic & Levkov, 2010
Rhoicosphenia patrickae E.W. Thomas & Kociolek, 2014 †
Rhoicosphenia pullus M.Schmidt, 1899 (uncertain > unassessed )
Rhoicosphenia reimeri E.W. Thomas & Kociolek, 2014 †
Rhoicosphenia stauroneiformis Salah, 1955 (uncertain > unassessed )
Rhoicosphenia stoermeri E.W.Thomas & Kociolek, 2015
Rhoicosphenia tenuis Z.Levkov & T.Nakov, 2008
Rhoicosphenia tenuissima Østrup, 1904 (uncertain > unassessed )
Rhoicosphenia vanheurcki Grunow in Van Heurck, 1880 (uncertain > unassessed )