Keyes, I.W. (1987)
Eocene elasmobranchs from Te Whanga Lagoon, Chatham Island. Geological Society of New Zealand (Newsletter), 77, 31–35
Keyes, I.W. (1984)
New records of fossil elasmobranch genera Megascyliorhinus, Centrophorus, and Dalatias (Order Selachii) in New Zealand. New Zealand Journal of Geology and Geophysics, 27(2), 203–216
DOI: 10.1080/00288306.1984.10422527
Keyes, I.W. (1982)
The Cenozoic sawshark Pristiophorus lanceolatus (Davis) (Order Selachii) of the New Zealand and Australia, with a review of the phylogeny and distribution of world fossil and extant Prtistiophoridae. New Zealand Journal of Geology and Geophysics, 25(4), 459–474
DOI: 10.1080/00288306.1982.10421510
Keyes, I.W. (1979)
Ikamauius, a new genus of fossil sawshark (Order Selachii: Family Pristiophoridae) from the Cenozoic of New Zealand. New Zealand Journal of Geology and Geophysics, 22(1), 125–129
DOI: 10.1080/00288306.1979.10422558
Keyes, I.W. (1977)
Records of the Northern Hemisphere Cretaceous Sawfish Genus Onchopristis (Order Batoidea) from New Zealand. New Zealand Journal of Geology and Geophysics, 20(2), 263–272
DOI: 10.1080/00288306.1977.10420706
Keyes, I.W. (1975)
Fossile sharks. In Knox, R.(ed.), New Zealand's Nature Heritage. Hamlyns Ltd., Hong Kong, 4(52): 1442–1444
Keyes, I.W. (1972)
New records of the elasmobranch C. megalodon (Agassiz) and the review of the genus Carcharodon in the New Zealand fossil record. New Zealand Journal of Geology and Geophysics, 15(2), 228–242
DOI: 10.1080/00288306.1972.10421956
Keyes, I.W. (1971)
Our largest fossil sharks. New Zealand Lapidary, 5(1), 5–7