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Black, K. H. (2010). "Ngapakaldia bonythoni (Marsupialia, Diprotodontidae): new material from Riversleigh, northwestern Queensland, and a reassessment of the genus Bematherium". Alcheringa: An Australasian Journal of Palaeontology. 34 (4): 471–492. Bibcode:2010Alch...34..471B. doi:10.1080/03115511003793496. S2CID128612993.
Andrew Rozefelds; Mary Dettmann; Trevor Clifford; Scott Hocknull; Nikki Newman; Henk Godthelp; Suzanne Hand; Michael Archer (2015). "Traditional and computed tomographic (CT) techniques link modern and Cenozoic fruits of Pleiogynium (Anacardiaceae) from Australia". Alcheringa: An Australasian Journal of Palaeontology. 39 (1): 24–39. Bibcode:2015Alch...39...24R. doi:10.1080/03115518.2014.951916. S2CID128910436.
Woodhead, J.; Hand, S.J.; Archer, M.; Graham, I.; Sniderman, K.; Arena, D.A.; Black, K.H.; Godthelp, H.; Creaser, P.; Price, E. (2014). "Developing a radiometrically-dated chronologic sequence for Neogene biotic change in Australia, from the Riversleigh World Heritage Area of Queensland". Gondwana Research. 29 (1): 153–167. doi:10.1016/j.gr.2014.10.004.
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Black, K. H. (2010). "Ngapakaldia bonythoni (Marsupialia, Diprotodontidae): new material from Riversleigh, northwestern Queensland, and a reassessment of the genus Bematherium". Alcheringa: An Australasian Journal of Palaeontology. 34 (4): 471–492. Bibcode:2010Alch...34..471B. doi:10.1080/03115511003793496. S2CID128612993.
Andrew Rozefelds; Mary Dettmann; Trevor Clifford; Scott Hocknull; Nikki Newman; Henk Godthelp; Suzanne Hand; Michael Archer (2015). "Traditional and computed tomographic (CT) techniques link modern and Cenozoic fruits of Pleiogynium (Anacardiaceae) from Australia". Alcheringa: An Australasian Journal of Palaeontology. 39 (1): 24–39. Bibcode:2015Alch...39...24R. doi:10.1080/03115518.2014.951916. S2CID128910436.
Black, K. H. (2010). "Ngapakaldia bonythoni (Marsupialia, Diprotodontidae): new material from Riversleigh, northwestern Queensland, and a reassessment of the genus Bematherium". Alcheringa: An Australasian Journal of Palaeontology. 34 (4): 471–492. Bibcode:2010Alch...34..471B. doi:10.1080/03115511003793496. S2CID128612993.
Andrew Rozefelds; Mary Dettmann; Trevor Clifford; Scott Hocknull; Nikki Newman; Henk Godthelp; Suzanne Hand; Michael Archer (2015). "Traditional and computed tomographic (CT) techniques link modern and Cenozoic fruits of Pleiogynium (Anacardiaceae) from Australia". Alcheringa: An Australasian Journal of Palaeontology. 39 (1): 24–39. Bibcode:2015Alch...39...24R. doi:10.1080/03115518.2014.951916. S2CID128910436.