Newly Discovered Dinosaur Iani May Have Been Species’ “Last Gasp” in a Changing Planet — The newly discovered dinos |
. This recently discovered early ornithopod dinosaur may represent a species’ final stand during a period of global climatic warming in the mid-Cretaceous era, approximately 99 million years ago, which forced drastic changes to dinosaur populations. Credit: Jorge Gonzalezera and might be the last of its lineage, replaced by duckbill dinosaurs.
In North America, giant plant-eating sauropods – once titans of the landscape – were disappearing, along with their allosaurian predators. At the same time, smaller plant eaters, like early duckbills and horned dinosaurs, and feathered theropods like tyrannosaurs and enormous oviraptorosaurs, were arriving from Asia., unique not only because it’s newly discovered, but also because of its rarity in the North American fossil record and its position in dinosaur history.was a streak of luck.
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