Hi, Art! Nice to see you around. What did you find in those fossils?
I know this post is from a while back, but I found this article which may be of interest to you. It is regarding some Mazon Creek fossils:http://esciencenews.com/articles/2014/01/07/ancient.sharks.reared.young.prehistoric.river.delta.nursery
Read this article, and thought of "Life Before the Dinosaurs" blog, so, in case you haven't heard about it yet, here you go:http://theness.com/neurologicablog/index.php/new-burgess-shale-find/