Castilho, R. & Freitas, M. & Silva, G. & Fernandez-Carvalho, J. & Coelho, R. (2007)
Morphological and mitochondrial DNA divergence validates blackmouth, Galeus melastomus, and Atlantic sawtail catsharks, Galeus atlanticus, as separate species.
Journal of Fish Biology, 70(sc), 346–358 DOI: 10.1111/j.1095-8649.2007.01455.x