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♦ ¹Temporal and sexual eVects in the feeding ecology of the marbled sand skate Psammobatis bergi Marini, 1932, M. J. San Martin, J. M. Braccini, L. L. Tamini, G. E. Chiaramonte, J. E. Perez, Mar Biol (2007) 151:505–513
♦ ²Food consumption by the cock fish, Cdorhynchus callorhynchus (Holocephali: Callorhynchidae), from Patagonia (Argentina), Edgardo Di Giácomo, Ana M. Parma & José M. Orensanz, Environmental Biology of Fishes 40: 199-211, 1994