Project 971: S. Adnet, H. Cappetta, G. Guinot, G. Notarbartolo di Sciara. 2012. Evolutionary history of the devilrays (Chondrichthyes: Myliobatiformes) from fossil and morphological inference. Zoological Journal of the Linnean Society. 166 (1):132-159.
This project has 10 specimens.