Ninjemys oweni Woodward, 1888:89

Owen’s giant horned ninja turtle, Owen's (giant) horned turtle (proposed)



Taxonomy & Nomenclature

Synonym/s: Meiolania oweni Woodward, 1888:89; Ceratochelys sthenurus Huxley, 1887:232


Conservation Status


Last record: Late Pleistocene



Queensland, Australia


Biology & Ecology










Original scientific description:

Woodward, A. S. (1888). Note on the extinct reptilian genera Megalania, Owen, and Meiolania, Owen. Annals and Magazine of Natural History (6)1: 85-89.


Other references:

Anderson, C. (1926). The extinct horned turtle Meiolania. The Australian Museum Magazine 2(10): 360-362.

Gaffney, E. S. (1992). Ninjemys, a new name for “Melolaniaoweni (Woodward), a horned turtle from the Pleistocene of Queensland. American Museum Novitates 3049: 1-10.

Gaffney, Eugene S. (1996). The postcranial morphology of Meiolania platyceps and a review of the Meiolaniidae. Bulletin of the American Museum of Natural History 229: 1-166.

Gaffney, Eugene S. and McNamara, Greg. (1990). A meiolaniid turtle from the Pleistocene of northern Queensland. Memoirs of the Queensland Museum (Proceedings of the De Vis Symposium) 28(1): 107-113.

Huxley, Thomas H. (1887). Preliminary note on the fossil remains of a che-lonian reptile, Ceratochelys sthenurus, from Lord Howe’s Island, Australia. Proceedings of the Royal Society 42: 232-238.

Mittermeier, Russell A. (1972). Zoogeography of Fossil and Living Turtles. Australian Natural History 17(8): 265-269.

Turtle Extinctions Working Group et al. (2015). Turtles and Tortoises of the World During the Rise and Global Spread of Humanity: First Checklist and Review of Extinct Pleistocene and Holocene Chelonians. Chelonian Research Monographs No. 5: 1-66.


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