cretaceous period造句
(1) The Cretaceous period in geology did not appear at a given stage in the development of the changes.
(2) The Cretaceous period ended 65 m years ago with the obliteration of the dinosaurs.
(3) The prehistoric reptile lived in the Cretaceous period, about 125 million years ago.
(4) From Cretaceous Period to Paleocene Eocene, subsidence and sedimentation area migrated gradually towards inside basin because the major thrust belts were piggyback and developed towards inside basin.
(5) This clam fossil is from the Cretaceous Period, approximately 100 million years ago.
(6) Seeds of Acer are rare compared with the leaves, which can be found in rocks dating back to the Cretaceous period.
(7) Then followed the long afternoon of the dinosaurs, the 71 million years of the Cretaceous period.
(8) Deinonychus lived 110 to 100 million years ago. That time was called the Cretaceous period.
(9) Fossils of Caproberyx indicate they swam the waters of Europe and Africa during Cretaceous period.
(10) The Protoceratops was a vegetable-eating dinosaur about the size of a sheep that experts believe lived in herds during the Cretaceous Period.
(11) The Maiasaura lived 80 to 65 million years ago. That time was called the Cretaceous period.
(12) From the view of stratigraphy, they all belong to the Cretaceous period.
(13) Ankylosaurus lived 70 to 65 million years ago. That time was called the late Cretaceous period.
(14) The research result shows:Badaohao Formation - coal-bearing strata - in Badaohao Coal Basin is of early Cretaceous Period and can be correlated to Shahai Formation in Fuxin Basin.
(15) As fossil evidences show, the fossil of taxus were found in the upper Cretaceous period.
(16) But nearly 100 million years ago relatives of modern snakes undulated through Cretaceous period waters aided by a paddlelike tail and dragging a pair of short, footless hind legs.
(17) In these regions the desert insects originated later, i. e. , in Cretaceous Period, and the insect fauna formed in Eocene Epoch of the early Tertiary Period.
(18) Corythosaurus lived 80 to 65 million years ago. That time was Cretaceous period.
(19) A member of the Dromaeosauridae of dinosaurs, it was a bird-like theropod dinosaur, which flourished during the Cretaceous Period.
(20) The story takes place 6500 years ago in the Cretaceous period.
(21) Albertosaurus lived 76 to 74 million years ago. That time was called the late Cretaceous period.
(22) Jurassic System entered oil - generating stage in Late Cretaceous Period, and entered oil - generating peak in Tertiary Period.