Hilary F. Ketchum et R. B. J. Benson, « A new pliosaurid (Sauropterygia, Plesiosauria) from the Oxford Clay Formation (Middle Jurassic, Callovian) of England: evidence for a gracile, longirostrine grade of Early-Middle Jurassic pliosaurids », Special Papers in Palaeontology, vol. 86, , p. 109–129 (lire en ligne)
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(en) H. F. Ketchum, R. B. J. Benson, Global interrelationships of Plesiosauria (Reptilia, Sauropterygia) and the pivotal role of taxon sampling in determining the outcome of phylogenetic analyses, Biological Reviews 85, 2010 : 361–392.doi:10.1111/j.1469-185X.2009.00107.x. PMID20002391
