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- Bulverde
- large straight-sided triangular blade, pronounced square to barbed shoulders, and a square stem with a straight base
- occurs in central and eastern Texas into western Louisiana.
- Terminal Middle Archaic/initial Late Archaic age
- 5700 to 5100 b.p./5000 to 4500 rcbp
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- Birds Creek Cluster
- terminal Middle Archaic and initial Late Archaic (ca. 6300–3770 b.p./5500–3500 rcbp)
- Basal morphology is uniformly convex, but not strongly so, and never concave
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- Carolton
- stem and basal area are frequently smoothed
- occurs in northeastern Texas into western Louisiana
- Terminal Archaic Barbed cluster (4500–4000 rcbp)
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- Kent
- Late Archaic through the Middle Woodland period (ca. 2500–1366/4000–1500 rcbp)
- characterized by a square to slightly contracting stem
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- Pontchartrain
- ca. 3500 to 2000 b.p. is inferred in Louisiana
- found more in eastern Louisiana (Poverty Point)
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