The Taensa were a Native American people whose settlements at the time of European contact in the late 17th century were located in present-day Tensas Parish, Louisiana. The meaning of the name, which has the further spelling variants of Taenso, Tinsas, Tenza or Tinza, Tahensa or Takensa, and Tenisaw, is unknown. It is believed to be an autonym. The Taensa should not be confused with the Avoyel, known by the French as the petits Taensas, who were mentioned in writings by explorer Pierre Le Moyne d'Iberville in 1699. The Taensa are more closely related to the Natchez people and both are considered descendants of the late prehistoric Plaquemine culture.
The Holly Bluff site, sometimes known as the Lake George Site, and locally as "The Mound Place," is an archaeological site that is a type site for the Lake George phase of the prehistoric Plaquemine culture period of the area. The site is on the southern margin of the Mississippian cultural advance down the Mississippi River and on the northern edge of that of the Cole's Creek and Plaquemine cultures of the South." The site was first excavated by Clarence Bloomfield Moore in 1908 and tested by Philip Phillips, Paul Gebhard and Nick Zeigler in 1949.
The Winterville site is a major archaeological site in unincorporated Washington County, Mississippi, north of Greenville and along the river. It consists of major earthwork monuments, including more than twelve large platform mounds and cleared and filled plazas. It is the type site for the Winterville Phase of the Lower Yazoo Basin region of the Plaquemine Mississippian culture. Protected as a state park, it has been designated as a National Historic Landmark.
Coles Creek culture is a Late Woodland archaeological culture in the Lower Mississippi valley in the Southeastern Woodlands. It followed the Troyville culture. The period marks a significant change in the cultural history of the area. Population increased dramatically and there is strong evidence of a growing cultural and political complexity, especially by the end of the Coles Creek sequence. Although many of the classic traits of chiefdom societies are not yet manifested, by 1000 CE the formation of simple elite polities had begun. Coles Creek sites are found in Arkansas, Louisiana, and Mississippi. It is considered ancestral to the Plaquemine culture.
The Plaquemine culture was an archaeological culture centered on the Lower Mississippi River valley. It had a deep history in the area stretching back through the earlier Coles Creek and Troyville cultures to the Marksville culture. 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.
The Aden site is an archaeological site that is the type site for the Aden phase of Lower Yazoo Basin Coles Creek culture chronology. It corresponds to Middle Coles Creek, chronologically between the Bayland phase and Kings Crossing phase.
The Medora site (16WBR1) is an archaeological site that is a type site for the prehistoric Plaquemine culture period. The name for the culture is taken from the proximity of Medora to the town of Plaquemine, Louisiana. The site is in West Baton Rouge Parish, Louisiana, and was inhabited from approximately 1300 to 1600 CE. It consisted of two mounds separated by a plaza. In the winter of 1939-40 excavation of this site was undertaken by the Louisiana State Archaeological Survey, a joint project of Louisiana State University and the Work Projects Administration. It was directed by James A. Ford, and George I. Quimby. The excavations of the site were instrumental in defining the characteristics of the Plaquemine period and culture.
The Marksville culture was an archaeological culture in the lower Lower Mississippi valley, Yazoo valley, and Tensas valley areas of present-day Louisiana, Mississippi, Arkansas, and extended eastward along the Gulf Coast to the Mobile Bay area, from 100 BCE to 400 CE. This culture takes its name from the Marksville Prehistoric Indian Site in Avoyelles Parish, Louisiana. Marksville Culture was contemporaneous with the Hopewell cultures within present-day Ohio and Illinois. It evolved from the earlier Tchefuncte culture and into the Baytown and Troyville cultures, and later the Coles Creek and Plum Bayou cultures. It is considered ancestral to the historic Natchez and Taensa peoples.
Balmoral Mounds is an archaeological site of the Coles Creek culture in Tensas Parish, Louisiana. The site has components located both on the east and west sides of US 65 near Bayou Rousset.
Ghost Site Mounds is an archaeological site in Tensas Parish, Louisiana with an Early to Middle Coles Creek culture component and a Late Coles Creek to Plaquemine culture component.
Wade Landing Mound is an archaeological site of the Coles Creek culture in Caldwell Parish, Louisiana.
The Greenhouse site is an archaeological site of the Troyville-Coles Creek culture in Avoyelles Parish, Louisiana.
Transylvania Mounds is an archaeological site in East Carroll Parish, Louisiana with components from the Coles Creek (700–1200)CE and Plaquemine/Mississippi periods (1200–1541). It is the type site for the Transylvania Phase of the Tensas Basin Plaquemine Mississippian chronology.
Sundown Mounds is an multimound archaeological site in Tensas Parish, Louisiana from the Early Coles Creek culture. It is the type site for the Sundown Phase of the Tensas Basin and Natchez Bluff Coles Creek chronology.
Flowery Mound is an archaeological site in Tensas Parish, Louisiana with components from the Late Coles Creek and Plaquemine-Mississippian culture which dates from approximately 950–1541.
Marsden Mounds is an archaeological site with components from the Poverty Point culture and the Troyville-Coles Creek period. It is located in Richland Parish, Louisiana, near Delhi. It was added to the NRHP on August 4, 2004, as NRIS number 04000803. It is the type site for the Marsden Phase of the Tensas Basin and Natchez Bluff regions local chronology.
The Spanish Fort Site (22-SH-500) is an archaeological site in the Delta region of the U.S. state of Mississippi. It is one of three major earthwork sites in the far southern portion of the Yazoo River valley, and it has been designated a historic site because of its archaeological value. Despite its name, the site was not built by the Spanish, and its original purpose is believed to have been ceremonial, not martial.
The Carson Mounds,, also known as the Carson Site and Carson-Montgomery- is a large Mississippian culture archaeological site located near Clarksdale in Coahoma County, Mississippi in the Yazoo Basin. Only a few large earthen mounds are still present at Carson to this day. Archaeologists have suggested that Carson is one of the more important archaeological sites in the state of Mississippi.
The Atchafalaya Basin Mounds is an archaeological site originally occupied by peoples of the Coastal Coles Creek and Plaquemine cultures beginning around 980 CE, and by their presumed historic period descendants, the Chitimacha, during the 18th century. It is located in St. Mary Parish, Louisiana on the northern bank of Bayou Teche at its confluence with the Lower Atchafalaya River. It consists of several earthen platform mounds and a shell midden situated around a central plaza. The site was visited by Clarence Bloomfield Moore in 1913.
The Glass site is a Plaquemine culture archaeological site located approximately 9.5 kilometres (5.9 mi) south of Vicksburg in Warren County, Mississippi. Originally the site had four platform mounds surrounding a large open plaza, but land leveling for modern farming techniques and looting by pothunters mean only portions of three have survived into the 21st century. It was a major ceremonial center that was contemporaneous with other large Plaquemine sites including Emerald, Holly Bluff, and Winterville and whose main occupation period occurred during the protohistoric period from 1500 to 1650 CE. Parts of the site were excavated by Clarence Bloomfield Moore in 1910 and 1911, and by Lauren Elizabeth Downs in 2007-2009. The mounds are listed on the Mississippi Mound Trail.
USA 
