This was originally posted at my new blog at: http://blogs.egu.eu/palaeoblog/2013/03/18/your-track-or-mine/ How do you tell between different dinosaurs, when you don’t have any dinosaurs? Trace fossils, like footprints, are ghosts of dinosaurs past, remnants of life entombed within the rocks. Palaeontologists and ichnologists (scientists who study trace fossils, not fish) often used to get confused by […]