Hall, K.C. & Hundt, P.J. & Swenson, J.D. & Summers, A.P. & Crow, K.D. (2018)
The evolution of underwater flight: The redistribution of pectoral fin rays, in manta rays and their relatives (Myliobatidae).
Journal of Morphology, 279(8), 1155–1170 DOI: 10.1002/jmor.20837