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A morphological analysis of the ampullae of Lorenzini in selected skates (Pisces, Rajoidei). Journal of Morphology, 189(3), 225–247
DOI: 10.1002/jmor.1051890303
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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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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