Formative
Initial Formative: 2500-1800 BC
Early Formative: 1800-1200 BC
Middle Formative: 1200-800 BC
Late Formative: 800-250 BC
Final Formative: 250-50 BC
Onuki 1999:332 [Sequence only, no absolute dates], Shibata 2004:82 [Includes absolute dates]
Initial Formative: 2500-1800 BC
Early Formative: 1800-1200 BC
Middle Formative: 1200-800 BC
Late Formative: 800-250 BC
Final Formative: 250-50 BC
Onuki 1999:332 [Sequence only, no absolute dates], Shibata 2004:82 [Includes absolute dates]