Cretaceous period

How To Use Cretaceous period In A Sentence

• The true giants did not arrive until the middle of the Cretaceous period.
• Contemporaries of the last dinosaurs, paddle-limbed mosasaurs, inhabited seas of the Cretaceous period, which ended about 66 million years ago.
• In contrast, dinosaur fossils have been traced in Triassic, Jurassic and Cretaceous periods.
• The Mesozoic era lasted from about 251 to 66 million years ago and includes the Triassic, Jurassic, and Cretaceous periods.
• A mere explanation that a pterodactyl was a kind of flying reptile belonging to the Jurassic and Cretaceous periods was insufficient. DEVELOPMENT A NOVEL BY W. BRYHER WITH A PREFACE BY AMY LOWELL
• The mosasaur is a large marine lizard that lived around the end of the Cretaceous period, about 85 million to 65 million years ago, and inhabited the shallow seas that once covered much of Saskatchewan. Canada.com Top Stories
• Today paleontologists know the Badlands are full of bones of mosasaurs (giant marine reptiles that plied an inland sea there during the Cretaceous period) and pterosaurs (giant flying reptiles).
• A huge curved claw on each foot made Deinonychus a small but particularly deadly dinosaur of the Cretaceous Period.
• In the Late Cretaceous period, the world was covered with warm-temperate to tropical areas that swarmed with blood-sucking insects carrying leishmania, malaria, intestinal parasites, arboviruses and other pathogens. How Dinosaurs disappear from earth.
• Thought to have diverged from other avian lines in the Late Cretaceous Period, the colorful animal can measure five feet tall from its helmetlike casque to its daggerlike foot spurs, and it weighs up to 125 pounds.