Edmontosaurus Skull Bone | Montana Crocodile pietersite is a pseudomorph of

pietersite is a pseudomorph of quartz

these pyrite specimens were collected by the open pit mine workers from the late 70's to early 80's

an adaptation for grazing

It had a wide habitat tolerance

Edmontosaurus Skull Bone | Montana Crocodile pietersite is a pseudomorph ofEdmontosaurus 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