What is the most fertile single source of dinosaur fossils in the world?
Q: What is the most fertile single source of dinosaur fossils in the world?
A: The Upper Jurassic Morrison Formation, found in several U.S. states including Colorado, Utah, Wyoming, Montana, New Mexico, Oklahoma, South Dakota and Texas is the most fertile single source of dinosaur fossils in the world.
Q: What time period is poorly represented in North American fossil records?
A: The Middle Jurassic is the only poorly represented time period in North America's fossil record.
Q: What type of dinosaurs lived during the Lower Cretaceous?
A: During the Lower Cretaceous new dinosaurs appeared including theropods such as Deinonychus and Utahraptor, Acrocanthosaurus and Microvenator; sauropods like Astrodon, Pleurocoelus and Sauroposeidon; ornithopods like Tenontosaurus, Hypsilophodon, Iguanodon Protohadros and Eolambia; and ankylosaurs such as Sauropelta and Gastonia.
Q: Which stage of the Upper Cretaceous had a greater abundance of dinosaurs than any other time period?
A: The early part of the Upper Cretaceous had a greater abundance and diversity of dinosaurs than any other time period.
Q: What type of dinosaurs were present during Campanian stage (83.6–72 mya)?
A: During Campanian stage (83.6–72 mya), there was an enormous diversity of dinosaurs present including tyrannosaurs such as Albertosaurus Gorgosaurus Daspletosaurus Appalachiosaurus Dryptosaurus; dromaeosaurids like Dromaeosaurus Saurornitholestes Atrociraptor Bambiraptor; ceratopsians like Pachyrhinosaurus Styracosaurus Centrosaurus Monoclonius Brachyceratops Pentaceratops Leptoceratops; hadrosaurs Parasaurolophus Corythosaurus Lambeosaurus Saurolophus Prosaurolophus; and more.
Q: What types of herbivorous dinosaurs existed during Maastrichtian stage (72–65.5 mya)?
A: Herbivorous dinosaurs that existed during Maastrichtian stage (72–65.5 mya) included titanosaur sauropod Alamosaurus , ceratopsians Triceratops Torosaurus , pachycephalosaurs Pachycephalosauru Stygimoloch Dracorex Stegoceras , hadrosaurs Edmontosarus Anatotitan .
