Wikipedia//Herrerasaurus skeleton CC BY-SA (Zach Tirrell from Plymouth, USA) - Dino origins The early forms Herrerasaurus (large), Eoraptor (small) and a Plateosaurus skull // , North American Museum of Ancient Life.
Amargasaurus, a Sauropod dinosaur from the early Cretaceous Period (around 130 million years ago). Amargasaurus was small for a Sauropod and featured two rows of spines down its neck and back. Photo taken in Victoria Museum, Melbourne, Australia.
Eotriceratops skull, 68 million years old. This could be a nice alternative to the T-Rex fossil, because it is equally recognizable and there is more of it still intact. It also has a unique texture that I could bring onto the back side of the banknote.
Suchomimus ("crocodile mimic") is a genus of large spinosaurid dinosaur with a crocodile-like mouth that lived between million years ago, during the late Aptian stage of the Cretaceous period in of the skull, Dinosaur Discovery Museum
Quetzalcoatlus northropi is an azhdarchid pterosaur known from the Late Cretaceous of North America (Maastrichtian stage) and one of the largest known flying animals of all time. It is a member of the family Azhdarchidae, a family of advanced toothless pterosaurs with unusually long, stiffened necks. Its name comes from the Mesoamerican feathered serpent god Quetzalcoatl
‘Biggest Dinosaur Ever’ Unearthed in Argentina Sam Frizell May 2014 A technician lays next to the femur of a dinosaur -- likely to be the largest ever to roam the earth, in Rawson, Chubut, some kilometers miles) south of Buenos Aires, May