carnosaurs , although more recently they were reclassified with the generally smaller coelurosaurs . [19] Profile view of a Tyrannosaurus skull (AMNH 5027) In 1955, Soviet paleontologist Evgeny Maleev named a new species, Tyrannosaurus bataar , from Mongolia . [25] By 1965, this species had been renamed Tarbosaurus bataar . [26]