WHITE, E.I. (1926)
Eocene fishes from Nigeria. Bulletin of the Geological Survey of Nigeria, 10: 1–82, 20 fig., pl. 1–18.
HOVESTADT, D.C. & HOVESTADT-EULER, M. (2013)
Generic Assessment and Reallocation of Cenozoic Myliobatinae based on new information of tooth, tooth plate and caudal spine morphology of extant taxa. Palaeontos, 24, 1–66, 3 text–figs, 51 Plates