1. The two species ofGyrocotylein the elephant fish,Callorhynchus milii(Bory)
2. Amato, J.F.R. and Pereira, Jr., J. (1995). A new species of infesting gills of night sharks (Carcharhinus signatus Rugogaster (Aspidobothrea: Rugogastridae) parasite of (Poey, 1868)) in the western North Atlantic. Can. J. Zool. the elephant fish, Callorhinchus callorhynchi [callorhyncus] 64:2492-2498. (Callorhinchidae), from the estuary of the La Plata River, Benz, G.W. and Deets, G.B. (1988). Fifty-one years later: an coasts of Uruguay and Argentina. Rev. Bras. Parasitol. Vet. update on Entepherus, with a phylogenetic analysis of 4:1-7. Cecropidae Dana, 1849(Copepoda:Siphonostomatoida).