Bumilleria exilis Klebs, 1896 accepted as Xanthonema exile (Klebs) P.C.Silva, 1979
Heterothrix antarctica Broady, 1976 accepted as Xanthonema antarcticum (Broady) Ettl & Gärtner, 1995
Heterothrix bristoliana Pascher, 1939 accepted as Xanthonema bristolianum (Pascher) P.C.Silva, 1979
Heterothrix debilis Vischer, 1936 accepted as
Heterothrix exilis (G.A.Klebs) Pascher, 1932 accepted as Xanthonema exile (Klebs) P.C.Silva, 1979
Heterothrix stichococcoides Pascher, 1939 accepted as Xanthonema stichococcoides (Pascher) P.C.Silva, 1979
Tribonema elegans Pascher, 1925
Tribonema microchloron Ettl, 1965
Tribonema monochloron Pascher & Geitler, 1925
Tribonema regulare Pascher, 1939
Tribonema vulgare Pascher, 1925