Hydrometra odontogaster Zetterstedt, 1828: 506. STS: male, female, Sweden, "Lapponia" and "Botnia borealis" (many localities listed); MZLU.
Gerris odontogaster var. brevispinis Lundblad, 1934a: 11. STS: male, female, China, SW part of Inner Mongolia; NHRS.
Gerris odontogaster obtusidens Wagner, 1958a: 119 (syn. Tamanini, 1961: 70). ST(S): Italy, Bolzano; ZMUH.