2.5" Pachycephalosaurus Fossil Skull Knobs Section Montana Cretaceous Dinosaur COA Borealosuchus Tooth Typically found in volcanic rocks

Typically found in volcanic rocks

suggesting they reproduced at a pace that balanced the high chances of offspring loss

including the catastrophic Permian-Triassic extinction

These animals were opportunistic feeders

While calcite is currently more stable and abundant in today’s oceans

2.5" Pachycephalosaurus Fossil Skull Knobs Section Montana Cretaceous Dinosaur COA Borealosuchus Tooth Typically found in volcanic rocksLocation: Judith River Formation, Hill County, Montana (Private Land Origin) Weight: 2 Ounces Dimensions: 2. 5 Inches Long, 1. 4 Inches Wide, 1. 2 Inches Wide Comes with a Certificate of Authenticity. The item pictured is the one you will receive. This is a real fossil. Name: Pachycephalosaurus Type: Herbivore Size: 5 meters in length. Pachycephalosaurus is an extinct genus of pachycephalosaurid dinosaurs. It lived during the late Cretaceous period in