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