 The best known lithic typology is the series established by François Bordes (1950) for the Lower and Middle Palaeolithic of France, where sixty three types of stone tools were defined on the basis of manufacturing techniques and morphological characteristics.According to Bordes, the presence or absence of tool types, or differences in the frequency of types between assemblages, were manifestations of cultural differences between ethnic groups.Notwithstanding that there have been several re-evaluations of Bordes’ interpretation of the "ethnicity" of variations in assemblage type composition, the basic assumption that there is explanatory value in the construction of morphologically defined types of artifacts has remained.