Isthmian script
MESOAMERICAN WRITING SYSTEM IN USE IN THE AREA OF THE ISTHMUS OF TEHUANTEPEC FROM PERHAPS 500 BCE TO 500 CE
Epi-Olmec script; Epi-olmec script; La Mojarra script; Epi-Olmec language; ISO 639:xep
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. It is also called the La Mojarra script and the Epi-Olmec script ('post-Olmec script').