Branson, E.B. (1916)
The Lower Embar of Wyoming and Its Fauna. Journal of Geology, 24(7), 639–664

Lane, H.H. (1944)
A survey of the fossil vertebrates of Kansas. Part I: The fishes. Transactions of the Kansas Academy of Science, 47, 129–176

Mader, H. & Schultze, H.-P. (1987)
Elasmobranchier-Reste aus dem Unterkarbon des Rheinischen Schiefergebirges und des Harzes (W- Deutchland). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 175(3), 317–346

Derycke-Khatir, C. (1994)
Microrestes de Vertébrés du Paléozoïque Supérieur de la Manche au Rhin. Biodiversité - Biostratigraphie - Biogéographie. PhD Thesis, Université des Sciences et Technologies de Lille

Ivanov, A.O. (2000)
Permian elasmobranchs (Chondrichthyes) of Russia. Ichthyolith Issues, Special Publication, 6, 39–42

Derycke, C. & Olive, S. & Groessens, E. & Goujet, D. (2014)
Paleogeographical and paleoecological constraints on paleozoic vertebrates (chondrichthyans and placoderms) in the Ardenne Massif. Shark radiations in the Famennian on both sides of the Palaeotethys. Palaeogeography, Palaeoclimatology, Palaeoecology, 414, 61–67