 In particular none have been found in fossil birds.In 2014 Jason Bourke and others in "Anatomical Record" reported finding nasal turbinates in pachycephalosaurs.In principle one would expect dinosaurs to have had two-part circulations driven by four-chambered hearts, since many would have needed high blood pressure to deliver blood to their heads, which were high off the ground, but vertebrate lungs can only tolerate fairly low blood pressure.