Eocene nimravid carnivorans from Thailand

Dental remains assigned to nimravid carnivores have been discovered in sout hern Thailand. These specimens come from the upper Eocene Krabi Basin that has already yielded numerous vertebrate taxa important for the knowledge of mammal evolution. The fossils described here are among the oldest remains belonging to the Nimravidae, and they are attributed to Nimravus cf. interm edius and Hoplophoneus sp. The occurrence of nimravid carnivores in Southea st Asia implies exchanges between Asia and North America during the Late Eo cene, and it supports a larger geographical distribution and an origin of t he family older than previously known.