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
Branson, C.C. (1934)
Permian sharks of Wyoming and of east Greenland. Science, 79(2054), 431
DOI: 10.1126/science.79.2054.431
Andrews, S.M. & Gardiner, B.G. & Miles, R.S. & Patterson, C. (1967)
CHAPTER 26 Pisces In The Fossil Record. HARLAND, W.B. et al. (Eds.) 1967, London (Geological Society), pp: 627-683