Sri Lankan hippopotamus (Hexaprotodon sinhaleyus) in 1937[2]
Sri Lanka lion (Leo leo sinhaleyus) in 1939 for two fossil teeth found at Kuruwita[1] - the information about the teeth is not sufficient to determine whether it differs from other subspecies.[3]
Panthera tigris sudanensis was named in 1951 for a tiger skin that he saw in a Cairo bazaar. When he asked the shop owner for the origin of this specimen, he was told that the animal was shot in Sudan.[4]Vratislav Mazák thought it likely that the skin was smuggled from Iran or Turkey to Egypt and commented "the situation is half-humorous, half-ironic".[5]
^ abDeraniyagala, P. E. P. (1939). "Some fossil animals from Ceylon, Part II". Journal of the Ceylon Branch of the Royal Asiatic Society of Great Britain and Ireland. 34: 231–239.
^ abDeraniyagala, P. E. P. (1963). "Some mammals of the extinct Ratnapura Fauna of Ceylon Part V, with reconstructions of the hippopotamus and the gaur". Spolia Zeylanica. 30: 5–25.
^"Deraniyagala". The Reptile Database. www.reptile-database.org.
^"Past Presidents". Royal Asiatic Society of Sri Lanka. 18 November 2009. Retrieved 7 January 2017.
^Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN978-1-4214-0135-5. ("Deraniyagala", p. 70).