Newberry, J.S. & Worthen, A.H. (1866)
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134

Hay, O.P. (1902)
Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868

Ciampaglio, C.N. & Cicimurri, D.J. & Deuter, L.H. & Taylor, M.A. (2012)
A review of the Chondrichthyans from the Mississippi System of Northern Alabama, USA. Bulletin of the Alabama Museum of Natural History, 28, 67–80

Ebersole, J.A. & Cicimurri, D.J. & Stringer, G.L. & Jacquemin, S.J. & Ciampaglio, C.N. (2024)
Carboniferous Fishes of Alabama, Helodus version 1. In J.A. Ebersole (ed.), Fossil Fishes of Alabama. McWane Science Center, Birmingham, Alabama 2(18), 1–4
DOI: 10.69737/SJWW3698

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