Reference

Benson, R. B. J., Ketchum, H. F., Naish, D. and Turner, L. E. 2012b. A new leptocleidid (Sauropterygia, Plesiosauria) from the Vectis Formation (Early Barremian–early Aptian; Early Cretaceous) of the
Isle of Wight and the evolution of Leptocleididae, a controversial clade. Journal of Systematic Palaeontology, DOI:10.1080/14772019.2011.634444 [Vectocleidus pastorum gen. et sp. nov.; Hastanectes gen. nov.]