Bigelow, H.B. & Schroeder, W.C. (1958)
Four new rajids from the Gulf of Mexico. Bulletin of the Museum of Comparative Zoology at Harvard College, 119(2), 201–234
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