Hovestadt, D.C. (2018)
Reassessment and revision of the fossil Heterodontidae (Chondrichthyes: Neoselachii) based on tooth morphology of extant taxa. Palaeontos, 30, 1–73

Rayner, D. & Mitchell, T. & Rayner, M. (2009)
London Clay Fossils of Kent and Essex. Rochester, Kent, Medway Fossil and Mineral Society, 228 p, ISBN: 978–0–9538243–1–1

Clouter, F. & Mitchell, T. & Rayner, D. & Rayner, M. (2000)
London Clay Fossils of the Isle of Sheppey. Medway Lapidary and Mineral Society, ISBN 0-9538243-0-6, 100pp.

Van Simaeys, S. (1994)
De visfauna uit de basis van de Klei van Egemkapel in de groeve Ampe te Egem (onder eoceen van Noordwest -Belgie) Tielt, 1994

Dobbels, L. (1994)
Soortenlijst van fossiele vissen uit het Eoceen van België. Afzettingen WTKG, 15(4), 6–12

Kemp, D.J. & Kemp, L. & Ward, D.J. (1990)
An Illustrated Guide to the British Middle Eocene Vertebrates. Privately published, London, 59 pp.

Kemp, D.J. (1982)
Fossil sharks, rays and chimaeroids of the English Tertiary period. Gosport Museum, 1–47, 10 fig., 3 tabl., 16 pl.

Ward, D.J. (1980)
The distribution of sharks, rays and chimaeroids in the English Palaeogene. Tertiary Research, 3(1), 13–19

Casier, E. (1946)
La faune ichthyologique de l'Yprésien de la Belgique. Mémoires du Musée Royal d'Histoire Naturelle de Belgique, 104, 1–267