论文部分内容阅读
Dinosaur eggs are a special type of vertebrate fossils. Despite their varied shapes, all dinosaur eggs are composed of eggshells, though the thickness of the shell may also vary. Dinosaur eggshells consist primarily of the mineral calcite (calcium carbonate). By studying
Despite their varied shapes, all dinosaur eggs are composed of eggshells, though the thickness of the shell may also vary. Dinosaur eggs are a special type of vertebrate fossils.