Carvalho, M. R. d. (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). New York: American Museum of Natural History.
Styl ChicagoCarvalho, Marcelo R. de. 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). New York: American Museum of Natural History, 2004.
Citace podle MLACarvalho, Marcelo R. de. 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). New York: American Museum of Natural History, 2004.