GARMAN, S. (1913)
The Plagiostomia (Sharks, Skates and Rays). Memoirs of the Museum of Comparative Zoology at Harvard College, 36: 528 p., 77 pl.
SETNA, S.B. & SARANGDHAR, P.N. (1949)
Studies on the development of some Bombay elasmobranchs. Records of the Indian Museum, 47 (2): 203–216