Chiquillo, K.L. & Ebert, D.A. & Slager, C.J. & Crow, K.D. (2014)
The secret of the mermaid’s purse: Phylogenetic affinities within the Rajidae and the evolution of a novel reproductive strategy in skates.
Molecular Phylogenetics and Evolution, 75, 245–251 DOI: 10.1016/j.ympev.2014.01.012