• Epi-Olmec culture
  Epi-Olmec culture
  The Epi-Olmec culture was a cultural area in the central region of the present-day Mexican state of Veracruz, concentrated in the Papaloapan River basin, a culture that existed during the Late Formative period, from roughly 300 BCE to roughly 250 CE. Epi-Olmec was a successor culture to the Olmec,...
  
  , pre-Columbian archaeological culture/area in the coastal Veracruz region of Mexico, ca. 300BCE–250CE
• Isthmian script
  Isthmian script
  The Isthmian script is a very early Mesoamerican writing system in use in the area of the Isthmus of Tehuantepec from perhaps 500 BCE to 500 CE, although there is disagreement on these dates...
  
  , also known as Epi-Olmec script, a Mesoamerican writing system

Contrast with

• Olmec
  Olmec
  The Olmec were the first major Pre-Columbian civilization in Mexico. They lived in the tropical lowlands of south-central Mexico, in the modern-day states of Veracruz and Tabasco....
  
  , earlier and distinct Mesoamerican archaeological culture and tradition, dating ca. 1200–400 BCE
• Olmeca-Xicalanca, a Mesoamerican culture living in Mexico's Veracruz and Tabasco regions at the time of the 16thC Spanish conquest