In 1938, Bian Meinian, known in the West as Mei Nien Bien, discovered a fragmentary dinosaur skull. In 2001, Dong Zhiming named and described the specimen as the type species Bienosaurus lufengensis.
In 1938, Bian Meinian, who was known as Mei Nien Bien in the West, found a broken dinosaur skull.  In 2001, Dong Zhiming identified and defined the specimen as the type species of Bienosaurus lufengensis.