La Quinta Formation, Mexico

For other uses, see La Quinta Formation.

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.[1] 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

See also

• List of fossiliferous stratigraphic units in Mexico
• 2017 in arthropod paleontology

References

1. An Oligo-Miocene Palynoflora from Simojovel (Chiapas, Mexico). Alan Keith Graham, American Journal of Botany, 86(1), pages 17-31, January 1999, doi:10.2307/2656951