Branson, E.B. (1916)
The Lower Embar of Wyoming and Its Fauna. Journal of Geology, 24(7), 639–664

Branson, C.C. (1933)
Fish fauna of the middle Phosphoria Formation. Journal of Geology, 41(2), 174–183

Schnetz, L. & Dunne, E.M. & Feichtinger, I. & Butler, R.J. & Coates, M.I. & Sansom, I.J. (2024)
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1