Bigelow, H.B. & Schroeder, W.C. (1954)
A new family, a new genus, and two new species of batoid fishes from the Gulf of Mexico. Breviora, 24, 1–16

Bigelow, H.B. & Schroeder, W.C. (1965)
A further account of batoid fishes from the western Atlantic. Bulletin of the Museum of Comparative Zoology at Harvard College, 132(5), 443–477

Jacob, B.A. & McEachran, J.D. & Lyons, P.L. (1994)
Electric organs in skates: Variation and phylogenetic significance (Chondrichthyes: Rajoidei). Journal of Morphology, 221(1), 45–63
DOI: 10.1002/jmor.1052210104