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Tsuji, L. A., Sidor, C. A., Steyer, J. S., Smith, R. M., Tabor, N. J. and Ide, O. 2013. The vertebrate fauna of the Upper Permian of Niger—VII. Cranial anatomy and relationships of Bunostegos akokanensis(Pareiasauria). Journal of Vertebrate Paleontology. Vol. 33(4), pp. 747-763.