Markell, E.K. (1953)
Nagmia floridensis, n. sp., an anaporrhutine trematode from the coelom of the sting ray Amphotistius sabinus. Journal of Parasitology, 39(1), 45–51
Mould, B. (1997)
Classification of the recent Elasmobranchii. Copyright Brian Mould 1997