Fossils Triceratops Skeleton Mini Sov. Sheet MNH Mint Dugongs Souvenir Sheet of 9 stamps

Souvenir Sheet of 9 stamps Mint NH

In Isaac Newton's view

They follow the oldest-known living lineage of Sarcopterygii (lobe-finned fish and tetrapods)

When Russia failed to comply

birds were the only dinosaur lineage to survive the Cretaceous–Paleogene extinction event 66 million years ago

Fossils Triceratops Skeleton Mini Sov. Sheet MNH Mint Dugongs Souvenir Sheet of 9 stampsFossils Triceratops Skeleton Mini Sov. Sheet MNH A fossil (from Classical Latin fossilis; literally, "obtained by digging") is any preserved remains, impression, or trace of any once living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants. The totality of fossils is known as the fossil record. Paleontology