The Mae Long Formation in the Li Basin (also referred to as Li Mae Long) 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:
Metatherians Siamoperadectes minutus Lipotyphlans Hylomys engesseri Neotetracus butleri Thaiagymnura equilateralis Unidentified Erinaceidae, possibly Mioechinus Scapanulus lampounensis Bats Unidentified species possibly belonging to Taphozous Unidentified species of Megaderma Hipposideros felix H. khengkao Rhinolophus yongyuthsi Unidentified species of Rhinolophoidea Ia lanna Rhizomops mengraii Unidentified species of Vespertilionidae Treeshrews Tupaia miocenica Primates ?Nycticebus linglom Tarsius thailandica Rodents Ratufa maelongensis Unidentified species possibly belonging to Atlantoxerus Democricetodon kaonou Diatomys liensis Neocometes orientalis Potwarmus thailandicus Prokanisamys benjavuni Spanocricetodon janvieri Carnivorans Two unidentified species Proboscideans Unidentified species Perissodactyls Unidentified species Artiodactyls Conohyus sindiensis Siamotragulus haripounchai Stephanocemas rucha Unidentified species possibly belonging to Homoiodorcas
References
Bibliography Mein, P. and Ginsburg, L. 1997. Les mammifères du gisement miocène inférieur de Li Mae Long, Thaïlande : systématique, biostratigraphie et paléoenvironnement. Geodiversitas 19(4):783–844 (in French). Abstract in French and English
