An antelope-sized dinosaur that grazed on plants and roamed South-East Asia some 145 million to 200 million years ago has been discovered in Thailand. The new species, named Minimocursor phunoiensis, was identified from a set of fossils unearthed in the Phu Kradung Formation in the north of the country, which has thrown up a wealth of specimens in recent years.

Sita Manitkoon at Mahasarakham University in Thailand and his colleagues analysed the fossils for more than six years before concluding that they belong to …