Synonyma
Spixostoma Whitley, 1951 ― Xiphostoma cuvieri Spix & Agassiz, 1829
Xiphostoma Agassiz, in Spix & Agassiz 1829 ― Xiphostoma cuvieri Spix & Agassiz, 1829
Typový druh
Xiphostoma lateristriga Boulenger, 1895
Původní popis
Eigenmann C. H. 1903. New genera of South American fresh-water fishes, and new names for old genera. Smithson. Misc. Collect. (Quarterly) v. 45. 144-148.