North America's Oldest Known Pterosaur(www.si.edu)
9 pointsby gmays4 days ago1 comment
  • JoeAltmaier4 days ago
    I've never known why Pangaea was stable for billions of years, then broke up in fire and death 200M years ago. Anybody have a reference?
    • laxdan hour ago
      Pangaea "only" existed for around 135 million years.
      • senkora15 minutes ago
        +1. Wikipedia has good info: https://en.m.wikipedia.org/wiki/Supercontinent_cycle

        Take anything past 1 billion years ago as highly provisional.

        I also really like this site: https://dinosaurpictures.org/ancient-earth#0

        One reason why no one really talks about anything before Pangaea is that there wasn’t interesting land life much before that, so the previous supercontinents don’t “matter” much in terms of evolution.

        • laxd2 minutes ago
          Personally I find the devonian and carboniferous much more interesting than the mesozoic. And the ediacaran if counting marine life. There's plenty of people "talking about it", it's just not pushed like dinosaurs. A couple of good yt channels:

          - Royal Tyrrel Museum of Palaeontology

          - Virtual Seminars in Precambrian Geology