J. B. Delair
Delair, J. B. 1955 Flying reptiles of the past. Sci. Club Mag. (7), 52.
Delair, J. B. 1958 The Mesozoic reptiles of Dorset. Part 2. Proc. Dorset nat. Hist. Archaeol. Soc. 80, 52–90.
Delair, J B. 1993 Reptilia from the Portland Stone (Upper Jurassic) of England: a preliminary survey of the material and the literature. Modern Geology, 18. 331-348.