What if Nigersaurus' tooth replacement mechanism had failed? What if Nigersaurus had lived in a much colder climate?

First is that the information page for Troodon is in Spanish. Now, if I were fluent in Spanish this really wouldn't be much of an issue. Sadly, I'm no good at ... Nov 20, 2013 ... ... informational access to rare fossils, which otherwise would have ... Axial images were acquired with 500-µm section thickness, while ... May 17, 2018 ... The more complete and exposed maxillary teeth have a height/width ... Research misconduct, Other issue not listed above. Details. 500 characters ... Apr 27, 2023 ... Moreover, the oldest known fossil of a bird is from the Jurassic. Carnivorous dinosaurs such as T. rex and birds descended from the same group— ... Jan 31, 2019 ... ... have predicted. Dinosaur teeth fossil - El Limo - Metapan, El Salvador. Are these dinosaur teeth buried in the hills above Metapán? One man ... ... is a largely mysterious interval in dinosaur evolution, as few ... 1). 574. Whether these differences are taxonomically informative is less clear, because many ... Mar 23, 2017 ... ... information, except that they had once found a whale there. This brought back a great memory. Sad to hear it is now closed; I had always ... Apr 12, 2016 ... brush their teeth! So when I was purging the kids toys, I saved a few for an idea I had to spark some excitement back in their routine. And ... It was during Cretaceous time and the Jurassic and Triassic periods that the great reptiles, the dinosaurs, roamed the world. Washington has Creta- ceous rocks ... Equus 500 kg. Dinohippus. Single hoof; Ate grass; 11 to 4 million years ago. The Dinohippus shown grazing on the left is a close relative of horses today. Like ...