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Underwood, Charlie J., Zerina Johanson, Monique Welten, Brian Metscher, Liam J. Rasch, Gareth J. Fraser, et Moya Meredith Smith. "Development and Evolution of Dentition Pattern and Tooth Order in the Skates And Rays (Batoidea; Chondrichthyes)." PLoS One 2015.

Underwood, Charlie J., et al. "Development and Evolution of Dentition Pattern and Tooth Order in the Skates And Rays (Batoidea; Chondrichthyes)." PLoS One 2015.