Richard Collins: Riddle of Tully monster’s identity remains

Have researchers at University College Cork confirmed the true identity of the mysterious ‘Tully monster’?, asks Richard Collins

IN the mid 19th century, rich fossil beds were discovered at the Mazon River Creek in Illinois. Finds made there were so important that the site is now a National Historic Landmark. In 1955, amateur collector Francis Tully came upon a strange-looking fossil in strata laid down 309m years ago.