Figure 3.

Locations of the archaeological sites in the Yucatán Peninsula and nearby territories, as discussed in the present review. Coloured dots represent the archaeological sites included in each aDNA study. Black dots represent archaeological sites mentioned in the present review with no aDNA data so far. The historical and cultural areas of the Maya civilisation and the Greater Nicoya are within the thick white dashed lines. The shaded area represents regions outside of Mesoamerica. White lines delineate current borders between countries, and thin white dashed lines borders between states.