Schultze, H.-P. (1985)
Marine to onshore vertebrates in the Lower Permian of Kansas and their paleoenvironmental implications. The University of Kansas Paleontological Contributions, 113, 1–18

Lebedev, O.A. (1996)
Fish Assemblages in the Tournaisian-Viséan environments of the East European Platform. In Strogen, P., Somerville, I. D. and Jones, G. L. (Eds.), Recent Advances in Lower Carboniferous Geology. Geol. Soc. Spec. Publ., 107, p. 387–415.

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