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" ... "Allkaruen, from the middle lower Jurassic limit, shows an intermediate state in the brain evolution of pterosaurs and their adaptations to the aerial environment", said Dr Diego Pol, part of the research team. "As a result, this research makes an important contribution to the understanding of the evolution of all of pterosaurs." ... "
" ... 65 million years ago, a massive asteroid somewhere between 5 and 10 kilometers in diameter struck our planet. It kicked up a layer of dust that settled all over the world, a layer that can be found today in our planet's sedimentary rock. On the older side of that layer, fossils such as dinosaurs, pterosaurs, ichthyosaurs and plesiosaurs are abundant. Giant reptiles, ammonites, and large classes of plants and animals all existed prior to that event, along with small, flying birds and the tiny, land-dwelling mammals. ... "
" ... Abruptly, 65 million years ago, the fossil record ceases to show all non-avian dinosaurs, pterosaurs, ichthyosaurs and plesiosaurs. The giant reptiles are all gone. The ammonites are wiped out; the nautilus is their oldest surviving relative. With the exception of a few animals like leatherback sea turtles and crocodiles, no creature weighing more than 55 pounds (about 25 kg) survives. ... "
" ... It is important to research pterosaurs as Pegas explains: “Pterosaurs are already known to exhibit a high diversity of forms, but some of their phylogenetic relationships are still controversial and intermediate forms are still comparatively rare -- as are any pterosaur fossils.” Luckily as the scientists keep looking, the Crato Formation keeps providing new and exciting fossils of these enigmatic animals that soared in the skies above the dinosaurs on land. ... "