Jurado, C.D. & Mabragana, E. & de Astarloa, J.M.D. (2017)
Morphological variation in a conservative structure: the scapulocoracoids in Sympterygia acuta Garman, 1837 and Sympterygia bonapartii Muller & Henle, 1841 (Chondrichthyes: Rajidae). Zootaxa, 4318(1), 157–166
DOI: 10.11646/zootaxa.4318.1.8