Birds were already diverse in the late Cretaceous. “Pterosaur diversity had been really knocked back,” says Holtz, perhaps because of this. Remaining pterosaurs included the massive, toothless azhdarchids, some of which were the size of biplanes with wingspans of 12m (40ft). There is already a debate about whether some azhdarchids were flightless, and you can imagine a world where islands, such as Madagascar, Mauritius and New Zealand, are dominated by strange terrestrial pterosaurs, much as in our timeline they were once the province of flightless elephant birds, dodos and giant moas.





อ่านต่อได้ที่ : โรงเรียนวัดดอนทราย

สาระน่ารู้ : Betrayal