Oddone, M.C. Vooren, c.M. Comparative morphology and identification of egg capsules of skate species of the Genera Atlantoraja Menni, 1972, Rioraja Whitley, 1939 and sympterigia Menni, 1972, Rioraja Whitley, 1939 and Sympterygia Müller e Henle, 1837 Subjects--Topical Terms: RAIA MARINHAMORFOLOGIA ANIMALTAXONOMIAFILOGENIA