The Plaquemine culture was an archaeological culture (circa 1200 to 1700 CE) centered on the Lower Mississippi River valley.It had a deep history in the area stretching back through the earlier Coles Creek (700–1200 CE) and Troyville cultures (400–700 CE) to the Marksville culture (100 BCE to 400 CE). The Natchez and related Taensa peoples were their historic period descendants. The type site for the culture is the Medora site in Louisiana; while other examples include the Anna, Emerald, Holly Bluff, and Winterville sites in Mississippi