RM Godinho is funded by Fundaç˜ao para a Ciˆencia e a Tecnologia (FCT; contract reference 2020.00499.CEECIND) and the European Regional Development Fund (FEDER) via the Programa Operacional CRESC Algarve 2020, of Portugal2020 (project ALG-01-0145-FEDER- 29680), in the context of the MugePortal project (“Muge Shellmiddens Project: a new portal for the last hunter-gatherers of the Tagus Valley, Portugal (MugePortal)”; project reference ALG-01-0145-FEDER-29680/ PTDC/HAR-ARQ/29680/2017, funded by the Fundaç˜ao para a Ciˆencia e Tecnologia (FCT)). C. Umbelino is funded by the Fundaç˜ao para a Ciˆencia e Tecnologia (FCT, reference UIDB/00283/2020). C Gonçalves is funded by the Portuguese Foundation for Science and Technology (FCT; contract reference DL 57/2016/CP1361/CT0029). This research was also funded by the Archeological Institute of America (The Archeology of Portugal Fellowship).