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Despite their cultural depictions as "swimming dinosaurs", mosasaurs, ichthyosaurs, plesiosaurs, and other aquatic Mesozoic diapsids were not dinosaurs. Mosasaurs were actually lizards, and ichthyosaurs and plesiosaurs were even more distantly related to dinosaurs. Though some dinosaurs were or are semiaquatic (Hesperornis, Spinosaurus, auks ...
The eponymous Silurians on Doctor Who are a race of reptilian humanoids from Earth's past, making their first appearance in the show in 1970. Frank and Schmidt cite Inherit the Stars, a 1977 novel by J. P. Hogan as containing a similar hypothesis, but also say they were surprised by how rarely the concept was explored in science fiction. [2]
Taxon Type Named for Notes Ref Gigantactis gargantua Bertelsen, Pietsch & Lavenberg, 1981: Anglerfish: Gargantua [18]†Gargantuavis Buffetaut & Le Loeuff, 1998 Bird: Gargantua A genus of fossil flightless birds from the Cretaceous of Europe, and the largest known birds of the Mesozoic era; "generic name from Gargantua, the giant of French folklore made famous by François Rabelais, and avis ...
Many dinosaurs were quite small, some measuring about 50 centimeters (20 inches) in length. The first dinosaur fossils were recognized in the early 19th century, with the name "dinosaur" (meaning "terrible lizard") being coined by Sir Richard Owen in 1842 to refer to these "great fossil lizards".
A six-mile-long asteroid, which struck Earth 66 million years ago, wiped out the dinosaurs and more than half of all life on Earth.The impact left a 124-mile-wide crater underneath the Gulf of ...
This dinosaur and its "close relatives all lived side-by-side," Benton added, saying that researchers often saw the same phenomenon in other species: "small-scale evolutionary explosions of five ...
C. sanctus specimen, Cincinnati Museum of Natural History and Science; specimens have been distributed worldwide. In November 1993, the Chinese paleontologists Hou Lianhai and Hu Yoaming of the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) at Beijing, visited fossil collector Zhang He at his home in Jinzhou, where he showed them a fossil bird specimen that he had bought at ...
“Evolving during the rule of the dinosaurs left a lasting legacy in mammals,” de Magalhães wrote. “For over 100 million years when dinosaurs were the dominant predators , mammals were ...