There are no mentions of dinosaurs in the published paper. In the New Yorker article, DePalma says that he has found dinosaur fossils in the same sediments with tektites and iridium, including skin fossils. These finds need to be described and published in a follow on paper which he has said he will do. Those who have seen the site and have seen many of the finds estimate that it will take at least 50 years to research the site and there is more that has yet to be discovered.
The inhabitants should have saved themselves by adopting the green new deal...
If you are a classic Doctor Who fan then you will know that it was Adric who manned the out of control space ship into the Earth, killing lots of stuff.