Thies, D. (1992)
A new species of Palaeospinax (Chondrichthyes, Neoselachii) from the Lower Jurassic Posidonia Shale of Southern Germany. Paläontologische Zeitschrift, 66(1/2), 137–146
DOI: 10.1007/BF02989484

Underwood, C.J. & Ward, D.J. (2004)
Neoselachian Sharks and rays from the Britisch Bathonian (Middle Jurassic). Palaeontology, 47(3), 447–501
DOI: 10.1111/j.0031-0239.2004.00386.x