Gomphosphenia H. Lange-Bertalot, 1995 (original description)
Gomphosphenia grovei (M.Schmidt) Lange-Bertalot, 1995 (new combination reference)
Gomphosphenia grovei var. lingulata (Hustedt) Lange-Bertalot, 1995 accepted as
Gomphonema lingulatum var. lingulatum Hustedt, 1927 (new combination reference)
Gomphosphenia holmquistii (Foged) Lange-Bertalot, 1995 (new combination reference)
Gomphosphenia holmquistii var. alaskaensis (Foged) Lange-Bertalot, 1995 accepted as
Gomphonema holmquistii var. alaskaensis Foged, 1968 (new combination reference)
Gomphosphenia lingulatiformis (Lange-Bertalot & E.Reichardt) Lange-Bertalot, 1995 (new combination reference)
Gomphosphenia paradoxa Lange-Bertalot, 1995 (original description)
Gomphosphenia pfannkucheae (B.J.Cholnoky) Lange-Bertalot, 1995 (new combination reference)
Gomphosphenia reicheltii (M. Schmidt) Lange-Bertalot, 1995 (new combination reference)
Gomphosphenia tackei (Hustedt) Lange-Bertalot, 1995 (new combination reference)