Extinct kangaroo fossil with lumpy jaw

3D Model

Lower left mandible of Osphranter pan, a giant extinct Red Kangaroo from Chinchilla (Pliocene; ca. 3 Myr), southeast Queensland, Australia. The specimen was collected in June 2021 and is now registered in the collections of the Queensland Museum (QMF61053; Brisbane, Australia).

This specimen exhibits a pathology called ‘lumpy jaw’ or ‘Macropod Progressive Periodontal Disease’.

The specimen is published in: Price, G.J., Louys, J. Wilkinson J. 2023. Geologically oldest evidence of ‘lumpy jaw’ (Macropod Progressive Periodontal Disease) in kangaroos of Australia: implications for conservation management. Alcheringa: An International Journal of Palaeontology. DOI: https://doi.org/10.1080/03115518.2023.2207624 free to download