Averianov, A.O. (1997)
Additions to the selachian fauna of the Russian Cretaceous. 1. A new species of Protosqualus Cappetta, 1977 (Chondrichthyes: Squalidae). Zoosystematica Rossica, 5, 319–320
Adnet, S. & Cappetta, H. & Mertiniene, R.A. (2008)
Re-evaluation of squaloid shark records from the Albian and Cenomanian of Lithuania. Cretaceous Research, 29(4), 711–722
DOI: 10.1016/j.cretres.2008.01.014
Kriwet, J. & Klug, S. (2009)
Fossil record and origin of squaliform sharks (Chondrichthyes, Neoselachii). In Gallucci, V.F. & McFarlane, G.A. & Bargmann, G.G.(eds). Biology and management of dogfish sharks. American Fisheries Society. Bethesda, Maryland: 19–38
Sokolskyi, T. & Guinot, G. (2021)
Elasmobranch (Chondrichthyes) assemblages from the Albian (Lower Cretaceous) of Ukraine. Cretaceous Research, 117, Article 104603
DOI: 10.1016/j.cretres.2020.104603