Li Mae Long


The Mae Long Formation in the Li Basin is a fossil site in Lamphun Province, Thailand. The fossils found are thought to date to the late Early Miocene, about 18 million years ago, corresponding to the European zone MN 4.

Fossil content

Mammals found at the site include:
;MetatheriansSiamoperadectes minutus
;LipotyphlansHylomys engesseriNeotetracus butleriThaiagymnura equilateralis
;Bats
;TreeshrewsTupaia miocenica
;Primates
;RodentsRatufa maelongensis
;Carnivorans
;Proboscideans
  • Unidentified species
;Perissodactyls
  • Unidentified species
;ArtiodactylsConohyus sindiensisSiamotragulus haripounchaiStephanocemas rucha
  • Unidentified species possibly belonging to ''Homoiodorcas''