The emergence and evolution of social complexity remains a major topic in African later prehistory. This paper aims to examine this question in the Dogon Country in Mali by reassessing the chronocultural sequence of Toloy-Tellem-Dogon that was defined 40 years ago. Our discovery of two new sites on the Bandiagara Escarpment with coiled clay tombs (Dourou-Boro and Yawa-vaches), the systematic dating of these structures, the re-analysis of similar buildings in Pégué, as well as the establishment of a typology of architectural techniques, led us to propose a continuous chronocultural evolution for these structures, now considered to be primary burials and not granaries, over about 1800 years. Detailed study of the ceramics also indicates the e...