Jurado, C.D., Mabragaña, E. and Astarloa, J.M.D.D. 2017.

Morphological variation in a conservative structure: the scapulocoracoids in Sympterygia acuta Garman, 1837 and Sympterygia bonapartii Müller & Henle, 1841 (Chondrichthyes: Rajidae)

. Zootaxa. 4318, 1 (Sep. 2017), 157–166. DOI:https://doi.org/10.11646/zootaxa.4318.1.8.