I hate spiders, but this is really interesting
https://edition.cnn.com/2018/02/05/world/spider-tail-myanmar-fossil-trnd/index.html
https://edition.cnn.com/2018/02/05/world/spider-tail-myanmar-fossil-trnd/index.html
Scientists have discovered a groundbreaking arachnid species that lived millions of years ago -- and it had a tail.