Basallo, A. & Oddone, M.C. (2014)
Reproductive biology of the skates Sympterygia acuta Garman, 1877 and S. bonapartii Muller & Henle, 1841 (Chondrichthyes: Rajoidei) in south Brazil.
Neotropical Ichthyology, 12(4), 771–782 DOI: 10.1590/1982-0224-20130097