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2. Araujo, R., Ramos, M. A., 1996. Margaritifera auricularia re-discovered in Spain: observations on a relict population. In: Convention on the Conservation of European Wildlife and Natural Habitats. Conservation, Management and Restoration of Habitats for Invertebrates: Enhancing Biological Diversity, Killarney, Ireland, 27–28 May.
3. Margaritifera auricularia (Unionoidea, Margaritiferidae), the giant freshwater pearl mussel rediscovered in Spain;Araujo;Graellsia,1998
4. Araujo, R., Ramos, M.A., 2000a. A critic revision of the historical distribution of Margaritifera auricularia (Spengler, 1793) (Mollusca: Margaritiferidae) based on museum specimens. Journal of Conchology 37 (1), 49–59.
5. Araujo, R., Ramos, M.A., 2000b. Action Plan for Margaritifera auricularia. Council of Europe, T-PVS (2000) 9.