%0 Journal Article %A Niko, Shuji %A Seuss, Barbara %A Mapes, Royal H. %T Desmoinesian (Middle Pennsylvanian) Orthocerid Cephalopods from the Buckhorn Asphalt Lagerstätte in Oklahoma, Midcontinent North America %D 2018 %J Paleontological Research %V 22 %N 1 %P 20-36 %R doi:http://dx.doi.org/10.2517/2017PR008 %U https://www.pieronline.jp/content/article/1342-8144/22010/20