^Paul, Gregory S. The Princeton Field Guide to Mesozoic Sea Reptiles. Princeton University Press. 2022: 111. ISBN 9780691193809.
^R. Owen. 1840. Report on British fossil reptiles. Report of the Ninth Meeting of the British Association for the Advancement of Science, Reports on the State of Science 43-126
^J. Phillips. 1871. Geology of Oxford and the Valley of the Thames. Clarendon Press, Oxford 1-523
^H. G. Seeley. 1869. Index to the Fossil Remains of Aves, Ornithosauria, and Reptilia, from the Secondary System of Strata, Arranged in the Woodwardian Museum of the University of Cambridge. Deighton, Bell, and Co, Cambridge 1-143
^Owen, R. Monographs on the British Fossil Reptilia from the Kimmeridge Clay III: contains Pliosaurus grandis, Pliosaurus trochanterius, and Pliosaurus portlandicus. Palaeontographical Society Monographs. 1869, 22 (98): 1–12.
^ 7.07.1Benson, RBJ; Bowdler, T. Anatomy of Colymbosaurus (Reptilia, Plesiosauria) from the Kimmeridge Clay Formation of the U.K., and high diversity among Late Jurassic plesiosauroids. Journal of Vertebrate Paleontology. 2014, 34 (5): 1053–1071. S2CID 85066808. doi:10.1080/02724634.2014.850087.
^Seeley, H. G. Note on some generic modifications of the plesiosaurian pectoral arch. Quarterly Journal of the Geological Society of London. 1874, 30: 436–449.
^Seeley, H. G. The Nature of the Shoulder Girdle and Clavicular Arch in Sauropterygia. Proceedings of the Royal Society of London. 1892, 51: 119–151.
^Brown, D. S. The English Upper Jurassic Plesiosauridea (Reptilia) and a review of the phylogeny and classification of the Plesiosauria. Bulletin of the British Museum of Natural History. 1981, 35 (4): 253–347.