MARSH, O.C. (1877)
Notice of some new vertebrate fossils. American Journal of Science and Arts, Series 3, 14: 249–256
COPE, E.D. (1879)
A sting ray from the Green River shales of Wyoming. American Naturalist, 13: 333
COPE, E.D. (1884)
The Vertebrata of the Tertiary formations of the West. Report of the United States Geological and Geographical Survey Territories, 3: 1–1009.
WOODWARD, A.S. (1889)
Catalogue of the fossil fishes in the British Museum. Part. I. British Museum (Natural History): 474 p., fig., 17 pl.
GRANDE, L. (1984)
Paleontology of the Green River Formation, with a review of the fish fauna. Geological Survey of Wyoming Bulletin, 63, 2nd ed., xviii 1 333 pp.
DE CARVALHO, M.R. & MAISEY, J.G. & GRANDE, L. (1996)
Freshwater stingrays of the Green River Formation (late early Eocene) of Wyoming, with the description of a new genus and species (Chondrichthyes, Myliobatiformes). Abstract. American Elasmobranch Society 12th Annual Meeting, June 13–19,1996 New Orleans, Louisiana, U.S.A.
DE CARVALHO, M.R. & MAISEY, J.G. & GRANDE, L. (2004)
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.
VILLALOBOS-SEGURA, E. & UNDERWOOD, C.J. (2020)
Radiation and divergence times of Batoidea. Journal of Vertebrate Paleontology, 40 (3): e1777147
DOI: 10.1080/02724634.2020.1777147