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Morphological observations of ampullae of lorenzini in Squatina guggenheim and S. occulta (Chondrichthyes, Elasmobranchii, Squatinidae) Microscopy Research and Technique, 75(9), 1213–1217
DOI: 10.1002/jemt.22051
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Male Genital Ducts and Copulatory Appendages in Chondrichthyans. In W.C. Hamlett (Ed.), Reproductive biology and phylogeny of chondrichthyes: sharks, rays and chimaeras, Vol. 3 (pp. 361–393). Science Publishers, Endfield, USA