Descriptive enumeration of a collection of fishes from the western coast of Central America, presented to the Smithsonian Institution by Capt. John M. Dow. Proceedings of the Academy of Natural Sciences of Philadelphia, 15, 162–174
The Plagiostomia (Sharks, Skates and Rays). Memoirs of the Museum of Comparative Zoology at Harvard College, 36, 1–528
Shore fishes collected by the "Albatross" expedition in Lower California, with descriptions of new species. Bulletin of the American Museum of Natural History, 35(16), 139–181
The marine fishes of Panama. Part I. Field Museum of Natural History Zoological Series 15, (publication no. 215): 1–330.
Check list of the fishes and fishlike vertebrates of North and Middle America north of the northern boundary of Venezuela and Colombia. Report of the United States Fish Commission, 1928(2), 1–670
Eastern Pacific expeditions of the New York Zoological Society. XXVIII. Fishes from the tropical eastern Pacific. [From Cedros Island, Lower California, south to the Galápagos Islands and northern Peru.] Part 3. Rays, Mantas and Chimaeras. Zoologica, Scientific Contributions of the New York Zoological Society, 26(3), 245–280
Nuevas especies de "Rayas" para la fauna del Perú. Serrie de divulgación cientifica / Servicio de Pesquería, Ministerio de Agriculture, Lima, 20: 1–13
Taxonomy of the stingray genus Urotrygon (Myliobatiformes: Urolophidae): preliminary results based on external morphology. In Uyeno, T. & Arai, R. & Taniuchi, T. & Matsuura, K. (Eds) Proceedings of the second international conference on Indo-Pacific fishes. Ichthyological Society of Japan, Tokyo: 291–302
Phylogeny of the suborder Myliobatidoidei. Memoirs of the Faculty of Fishery of the Hokkaido University, 37(1–2), 1–108
Classification of the recent Elasmobranchii. Copyright Brian Mould 1997
Lista de especies elasmobranquios de Colombia. Rev. Fen. Anat. Vol I.
Lista de especies elasmobránquias de Colombia. Revista de Fenología y Anatomía, 1, 1–42
Contributions to the study of the comparative morphology of teeth and other relevant ichthyodorulites in living supraspecific taxa of chondrichthyan fishes. Part B: Batomorphii. No.4b: Order Rajiformes - Suborder Myliobatoidei - Superfamily Dasyatoidea - Family Dasyatididae - Subfamily Dasyatinae - Genus: Taeniura, Urogymnus, Urolophoides - Subfamily Potamotrygoninae - Genera: Disceus, Pleisiotrygon, and Potamotrygon (incl. supraspecific taxa of uncertain status and validity), Family Urolophidae - Trygonoptera, Urolophus and Urotrygon - Superfamily Myliobatidea - Family: Gymnuridae - Genus: Aetoplatea. Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, Biologie, 69, 161–200
Compared Morphology of the Cephalic Musculature in Five Species of Genus Urotrygon (Chondrichthyes: Urolophidae). International Journal of Morphology, 34(1), 7–12
