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Item type: Item , South American archaeological sites and dates(Universitat Pompeu Fabra, 2019-12-11) Gregorio de Souza, JonasThis dataset contains 2762 radiocarbon dates from 1023 archaeological sites in lowland South America. In principle, only archaeological cultures related to the spread of polyculture agroforestry (tropical forest farming) and ceramics are represented. The dataset has been compiled and is continuously updated as part of the project ExPaND: Examining Pan-Neotropical funded by the European Commission H2020.Item type: Item , 429 phytolith images of eight different morphotypes (bilobate, bulliform, cross, elongate, globular, rondel/trapeziform, saddle, trichome)(Universitat Pompeu Fabra, 2020) Ruiz Pérez, Javier; Zurro, Debora; Díez Pastor, José Francisco; Latorre Carmona, Pedro; Arnaiz González, Alvar429 phytolith images of eight different morphotypes (bilobate, bulliform, cross, elongate, globular, rondel/trapeziform, saddle, trichome) from soil samples used in a comparative analysis of six classification methods to examine the efficacy of different quantitative approaches for characterising phytoliths and automatically identify them. These data are the supplementary materials of the paper titled ""You are not my type": An evaluation of classification methods for automatic phytolith identification", co-authored by Díez-Pastor, J.F., Latorre-Carmona, P., Arnaiz-González, Á., Ruiz-Pérez, J., Zurro, D., and sent for publication to Microscopy and Microanalysis (currently under review).