List of dinosaur genera - Wikipedia
वेब2 दिन पहले · Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH. Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research. …
Diplodocus - Wikipedia
वेब3 दिन पहले · Diplodocus ( / dɪˈplɒdəkəs /, [3] [4] / daɪˈplɒdəkəs /, [4] or / ˌdɪploʊˈdoʊkəs / [3]) was a genus of diplodocid sauropod dinosaurs, whose fossils were first discovered in 1877 by S. W. Williston.
Tyrannosauroidea - Wikipedia
वेब4 दिन पहले · Tyrannosauroidea (meaning 'tyrant lizard forms') is a superfamily (or clade) of coelurosaurian theropod dinosaurs that includes the family Tyrannosauridae as well as more basal relatives. Tyrannosauroids lived on the Laurasian supercontinent beginning in the Jurassic Period.
Spinosauridae - Wikipedia
वेब3 दिन पहले · Spinosauridae (or spinosaurids) is a clade or family of tetanuran theropod dinosaurs comprising ten to seventeen known genera. Spinosaurid fossils have been recovered worldwide, including Africa, Europe, South America and Asia. Their remains have generally been attributed to the Early to Mid Cretaceous . Spinosaurids were large …
Theropoda - Wikipedia
वेब4 दिन पहले · Theropoda ( / θɪəˈrɒpədə /; [2] from Ancient Greek θηρίον (thēríon) 'wild beast', and πούς, ποδός (poús, podós) 'foot'), whose members are known as theropods, is a dinosaur clade that is characterized by hollow bones and three toes and claws on each limb. Theropods are generally classed as a group of saurischian dinosaurs.
Sauropoda - Wikipedia
वेब2 दिन पहले · Sauropoda ( / sɔːˈrɒpədə / ), whose members are known as sauropods ( / ˈsɔːrəpɒdz /; [1] [2] from sauro- + -pod, ' lizard -footed'), is a clade of saurischian ('lizard-hipped') dinosaurs. Sauropods had very long necks, long tails, small heads (relative to the rest of their body), and four thick, pillar-like legs.
Origin of birds - Wikipedia
वेब4 दिन पहले · The present scientific consensus is that birds are a group of maniraptoran theropod dinosaurs that originated during the Mesozoic Era . A close relationship between birds and dinosaurs was first proposed in the nineteenth century after the discovery of the primitive bird Archaeopteryx in Germany.
List of dinosaurs of the Morrison Formation - Wikipedia
वेब4 दिन पहले · List of dinosaurs of the Morrison Formation. The Morrison Formation is a distinctive sequence of Upper Jurassic sedimentary rock that is found in the western United States, which has been the most fertile source of dinosaur fossils in North America.
Cretaceous–Paleogene extinction event - Wikipedia
वेब1 दिन पहले · The Cretaceous–Paleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a sudden mass extinction of three-quarters of the plant and animal species on Earth, approximately 66 million years ago. The event caused the extinction of all non-avian dinosaurs.Most other tetrapods weighing more than 25 …
Cathartesaura | Unveiling the Late Cretaceous Sauropod Giant
वेब4 दिन पहले · Dr. Alienor Duhamel. May 28, 2024. Cathartesaura: The Late Cretaceous Vegetarian Giant. In the mesmerizing world of dinosaurs, the Late Cretaceous Period stands out as a time of remarkable diversity and complexity. Amidst this tableau, Cathartesaura, a gigantic herbivore, roamed the ancient landscapes of what is now …
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