Guinot, Guillaume; Underwood, Charlie J.; Cappetta, Henri; Ward, David J. (2012-05-11). "Squatiniformes (Chondrichthyes, Neoselachii) from the Late Cretaceous of southern England and northern France with redescription of the holotype of Squatina cranei Woodward, 1888". Palaeontology. 55 (3): 529–551. Bibcode:2012Palgy..55..529G. doi:10.1111/j.1475-4983.2012.01140.x. ISSN0031-0239. S2CID129829100.
Guinot, Guillaume; Underwood, Charlie J.; Cappetta, Henri; Ward, David J. (2012-05-11). "Squatiniformes (Chondrichthyes, Neoselachii) from the Late Cretaceous of southern England and northern France with redescription of the holotype of Squatina cranei Woodward, 1888". Palaeontology. 55 (3): 529–551. Bibcode:2012Palgy..55..529G. doi:10.1111/j.1475-4983.2012.01140.x. ISSN0031-0239. S2CID129829100.
Guinot, Guillaume; Underwood, Charlie J.; Cappetta, Henri; Ward, David J. (2012-05-11). "Squatiniformes (Chondrichthyes, Neoselachii) from the Late Cretaceous of southern England and northern France with redescription of the holotype of Squatina cranei Woodward, 1888". Palaeontology. 55 (3): 529–551. Bibcode:2012Palgy..55..529G. doi:10.1111/j.1475-4983.2012.01140.x. ISSN0031-0239. S2CID129829100.
Guinot, Guillaume; Underwood, Charlie J.; Cappetta, Henri; Ward, David J. (2012-05-11). "Squatiniformes (Chondrichthyes, Neoselachii) from the Late Cretaceous of southern England and northern France with redescription of the holotype of Squatina cranei Woodward, 1888". Palaeontology. 55 (3): 529–551. Bibcode:2012Palgy..55..529G. doi:10.1111/j.1475-4983.2012.01140.x. ISSN0031-0239. S2CID129829100.