==Etymology=="Haya" was first named by Peter J. Makovicky, Brandon M. Kilbourne, Rudyard W. Sadleir and Mark A. Norell in 2011 and the type species is "Haya griva".
Описан группой палеонтологов — "Peter J. Makovicky", "Brandon M. Kilbourne", "Rudyard W. Sadleir" и "Mark A. Norell" в 2011 году.