La Quinta Formation, Mexico

La Quinta Formation is a geologic formation in Mexico. It is the oldest formation where Mexican amber can be found. It is from Late Oligocene to early Miocene. It is located at Simojovel, Chiapas, Mexico. It underlies the Mazantic Shale.

The Simojovel Group is from the Neogene and Paleogene.

Fossils recovered from the formation

 * Insects
 * Hyptia deansi, a wasp
 * Schwenckfeldina archoica, a fungus gnat
 * Mastotermes electromexicus, a termite
 * Termitaradus protera, a termite bug
 * Aphaenogaster praerelicta, an ant
 * Dicromantispa electromexicana, a mantifly
 * Leptopharsa tacanae, a lace bug
 * Plants
 * Hymenaea mexicana, a legume
 * Hymenaea allendis, a legume