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Early Neolithic Cardial culture. (A) Main cultural horizons associated with the earliest Neolithic of Central and Western Europe approximately 6,000–5,500 cal BCE. 1, Cova Bonica; 2, Cova de la Sarsa; 3, Cova de l‘Or; 4, Galeria da Cisterna-Almonda. (B) Cardial ceramics from Cova de la Sarsa. The impressed decoration is characteristically made with the serrated edge of cockle shells.
