↑Lloyd, R. E., 1909. A description of the deep-sea fish caught by the R. I. M. S. ship `Investigator' since the year 1900, with supposed evidence of mutation in Malthopsis. Memoirs of the Indian Museum v. 2 (núm. 3): 139-180, Pls. 44-50.
↑ 4,04,1Bigelow, H. B. & Schroeder, W. C., 1948. New genera and species of batoid fishes. Journal of Marine Research v. 7: 543-566.
↑Bigelow, H. B. & Schroeder, W. C., 1962. New and little known batoid fishes from the Western Atlantic. Bulletin of the Museum of Comparative Zoology v. 128 (núm. 4): 161-244, Pl. 1.
↑ 6,06,1Von Bonde, C. & Swart, D. B., 1923. The Platosomia (skates and rays) collected by the S. S. "Pickle.". Report Fisheries and Marine Biological Survey, Union of South Africa Rep. 3 (art. 5): 1-22, Pls. 20-23.
↑Bigelow, H. B. & Schroeder, W. C., 1958. Four new rajids from the Gulf of Mexico. Bulletin of the Museum of Comparative Zoology v. 119 (núm. 2): 201-233.