Edmontosaurus Skull Bone | Montana Amethyst growing up to 25 cm

growing up to 25 cm (10 in)

or rock that has been ejected naturally from the Moon's surface (and which has then landed on the Earth as meteorites)

mud balls of sediment were formed on the sea floor

or radiating “sun” formations

but most teeth are approx

Edmontosaurus Skull Bone | Montana Amethyst growing up to 25 cmEdmontosaurus sp. Late Cretaceous 68 65 mya Hell Creek Formation, Montana Specimen approx. size: 2. 75" x 2. 25" x 1. 25" Edmontosaurus is a genus of hadrosauid (duck billed) dinosaurs. There are two known species of Edmontosaurus. The Edmontosaurus regalis and the Edmontosaurus annectens. They could get up to 39 feet long and weighed up to 4 tons. They lived in the upper cretaceous during the Campanian to Maastrichtian time periods. Which was 83. 6