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Urolophus tumbesensis, a new stingray from the coast of Peru (Batoidea: Urolophidae). Copeia, 1979(4), 709–713
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Le revêtement cutané des raies (Chondrichthyes, Elasmobranchii, Batoidea). I- Morphologie et arrangement des denticules cutanés. Annales des Sciences Naturelles – Zoologie et Biologie Animale, 17(2), 65–83
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Six species of Acanthobothrium (Eucestoda: Tetraphyllidea) in stingrays (Chondrichthyes: Rajiformes: Myliobatoidei) from Ecuador. Journal of Parasitology, 83(3), 475–484
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Classification of the recent Elasmobranchii. Copyright Brian Mould 1997
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Le revêtement cutané des raies (Chondrichthyes, Elasmobranchii, Batoidea). II. Morphologie et arrangement des tubercules cutanés. Annales des Sciences Naturelles – Zoologie et Biologie Animale, 19(3–4), 155–172
DOI: 10.1016/S0003-4339(99)80004-5