A new species of dinosaur unique to Arkansas is being recognized by the scientific world thanks to an article published in today's Journal of Vertebrate Paleontology. Its an Ornithomimosaur called Arkansaurus fridayi and based on a metatarsal and partial foot.
http://www.arkansasmatters.com/news/local-news/its-official-new-arkansas-dinosaur-named/1058934863
Paper for SVP members
https://www.tandfonline.com/doi/abs/10.1080/02724634.2017.1421209?journalCode=ujvp20