Freshwater stingrays of the Green River Formation of Wyoming (Early Eocene), with the description of a new genus and species and an analysis of its phylogenetic relationships (Chondrichthyes: Myliobatiformes). Bulletin of the American Museum of Natural History, 284, 1–136, 53 fig., 7 tabl.
DOI: 10.1206/0003-0090(2004)284<0001:fsotgr>2.0.co;2
