Sergi (1911) established the name Palaeanthropus krapinensis based on "Krapina A" as the holotype. The species epithet 'krapiniensis' is a homonym with Homo neanderthalensis var. krapinensis Grojanovic-Kramberger, 1902. Campbell (1965) noted that the slight difference in spelling between 'krapinensis' and 'krapiniensis' is not sufficient to designate a new name. Also, as noted by Campbell (1965) Grojanovic-Kramberger used the latter spelling in 1910. Campbell also noted that Sergi first used the name krapinensis in 1910 but without reference to a type.