The right aortic arch is found in
Mammals
Birds
Mammals and Reptiles
Amphibians
The aortic arch, arch of arota or the transverse aortic arch is a part of aortabetween the ascending and desending aorta. The arch travels towards so that it ultimately to the left of trachea.
Right sided of arotic arch is rare anatomical variant in which aortic arch is right side rather than on left.