After examining specimens of "Nothomyrmecia", Baroni Urbani stated that his new species and "N. macrops" belonged to the same genus, and the name "Prionomyrmex" would replace the name "Nothomyrmecia" and the subfamily Nothomyrmeciinae must be called Prionomyrmeciinae.
After examining specimens of "Nothomyrmecia", Baroni Urbani stated that his new species and "N. macrops" were so morphologically similar that they belonged to the same genus. He proposed that the name "Prionomyrmex" should replace the name "Nothomyrmecia" (which would then be just a synonym), and also that the subfamily Nothomyrmeciinae should be called Prionomyrmeciinae.