Ward, D.J. (1979)
Additions to the fish fauna of the English Palaeogene. 3. A review of the Hexanchid sharks with a description of four new species. Tertiary Research, 2(3), 111–129
Kemp, D.J. (1982)
Fossil sharks, rays and chimaeroids of the English Tertiary period. Gosport Museum, 1–47, 10 fig., 3 tabl., 16 pl.
Lienau, H.-W. (1984)
Die marinen Deckschichten (Mitteleozän-Unteroligozän) der Helmstedter Braunkohlen (Niedersachsen, BRD). Documenta naturae, 22, 1–120
von der Hocht, F. (1986)
Stand der Untersuchungen an der Chondrichthyes-Fauna des nordwestdeutschen Tertiärs. Beiträge zur regionalen Geologie der Erde, 18, 503–509
Kemp, D.J. & Kemp, L. & Ward, D.J. (1990)
An Illustrated Guide to the British Middle Eocene Vertebrates. Privately published, London, 59 pp.
Ciobanu, R. (1994)
Addition to the Eocene Selachian fauna of Turnu Roşu (Porceşti). Studia Universitatis "Babeş-Bolyai", Geologie 4: 299–309
Ciobanu, R. (1998)
Colecţia de selacieni - Richard Breckner [Richard Breckner selachian collection]. Studii şi comunicări, Științele Naturii, Muzeul Brukenthal, 28: 115–119
Ciobanu, R. (2000)
Angaben zur Hai- und Rochenfauna aus dem Eozän von Turnu Roșu (Rumänien). Naturwissenschaftliche Forschung über Siebenburgen VI. Beitrage zur Geographie, Botanik, Zoologie und Palaontologie. Siebenburgisches Archiv, 36, 265–270
Ciobanu, R. (2008)
Habitat and biology of romanian Paleogene sharks. Brukenthal, Acta Musei, 3(3), 53–66
Cicimurri, D.J. & Knight, J.L. (2019)
Late Eocene (Priabonian) elasmobranchs from the Dry Branch Formation (Barnwell Group) of Aiken County, South Carolina, USA. PaleoBios, 36, 1–31
Jambura, P.L. & Türtscher, J. & Kindlimann, R. & Metscher, B. & Pfaff, C. & Stumpf, S. & Weber, G.W. & Kriwet, J. (2020)
Evolutionary trajectories of tooth histology patterns in modern sharks (Chondrichthyes, Elasmobranchii). Journal of Anatomy, 236(5), 753–771
DOI: 10.1111/joa.13145
Kovalchuk, O. & Kriwet, J. & Shimada, K. & Ryabokon, T. & Barkaszi, Z. & Dubikovska, A. & Anfimova, G. & Davydenko, S. (2023)
Middle Eocene cartilaginous fishes (Vertebrata: Chondrichthyes) of the Dnieper–Donets Basin, northern Ukraine. Palaeontologia Electronica, 26(2), Article a32