RADCLIFFE, L. (1916)
The sharks and rays of Beaufort, North Carolina. Bulletin of the United States Bureau of Fisheries, 34: 239–284
MEEK, S.E. & HILDEBRAND, S.F. (1923)
The marine fishes of Panama. Part I. Field Museum of Natural History Zoological Series 15, (publication no. 215): 1–330.