Traquair, R.H. (1888)
Further notes on Carboniferous Selachii. Proceedings of the Royal Physical Society of Edinburgh, 9(3), 421–426

Woodward, A.S. (1889)
Catalogue of the fossil fishes in the British Museum. Part. I. British Museum (Natural History): 474 p., fig., 17 pl.

Moy-Thomas, J.A. (1936)
The structures and affinities of the fossil elasmobranch fishes from the Lower Carboniferous rocks of Glencartholm, Eskdale. Proceedings of the Zoological Society of London, 1936, 761–788
DOI: 10.1111/j.1469-7998.1936.tb06287.x

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

Kuhn, O. (1967)
Die vorzeitlichen Fischartigen und Fische. Die Neue Brehm-Bücherei Heft 384. A. Ziemsen Verlag, Wittenberg.

Lund, R. (1982)
Harpagofututor volsellorhinus new genus and species (Chondrichthyes, Chondrenchelyiformes) from the Namurian Bear Gulch Limestone, Chondrenchelys problematica Traquair (Visean), and their sexual dimorphism. Journal of Paleontology, 56(4), 938–958

Frickhinger, K.A. (1991)
Fossilienatlas Fische. Verlag für Natur- und Heimatkunde Hans A. Baensch, Melle

Dineley, D.L. (1999)
Chapter 9 – British Carboniferous fossil fishes sites. In Dineley, D. & Metcalf, S. 1999. Fossil Fishes of Great Britain. Geological Conservation Review Series No. 16. JNCC, Peterborough, ISBN 1 86107 470 0 (pp. 264–312).

Finarelli, J.A. & Coates, M.I. (2011)
First tooth-set outside the jaws in a vertebrate. Proceedings of the Royal Society of London, Series B, 279(1729), 775–779
DOI: 10.1098/rspb.2011.1107

Finarelli, J.A. & Coates, M.I. (2014)
Chondrenchelys problematica (Traquair, 1888) redescribed: a Lower Carboniferous, eel-like holocephalan from Scotland. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 105(1), 35–59
DOI: 10.1017/S1755691014000139

Gayford, J.H. (2023)
The evolution of sexual dimorphism in Chondrichthyes: drivers, uncertainties, and future directions. Environmental Biology of Fishes, 106(6), 1463–1475
DOI: 10.1007/s10641-023-01425-x

Brownstein, C.D. & Near, T.J. & Dearden, R.P. (2024)
The Palaeozoic assembly of the holocephalan body plan far preceded post-Cretaceous radiations into the ocean depths. Proceedings of the Royal Society B-Biological Sciences, 291(2033), Article 20241824
DOI: 10.1098/rspb.2024.1824

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