Garman, S. (1913)
The Plagiostomia (Sharks, Skates and Rays). Memoirs of the Museum of Comparative Zoology at Harvard College, 36: 528 p., 77 pl.
Sproston, N.G. (1946)
A synopsis of the monogenetic trematodes. Transactions of the Zoological Society of London, 25: 185–600
Kreps, E.M. (1981)
Brain lipids of elasmobranchs (an essay on comparative neurobiology). Comparative Biochemistry and Physiology – Part B, Comparative Biochemistry, 68(3), 363–367
DOI: 10.1016/0305-0491(81)90141-3