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Learn more about Minmi

Quick Facts
Weight1600 kilos
Length3 meters
Height1 meter

Minmi was the best known of all armored dinosaurs found in north-central Queensland from the period about 105 million years ago. It was a small herbivorous ankylosaurid dinosaur that lived during the Early Cretaceous period of Australia. 

The specimen found had 11 vertebrae, parts of at least 14 ribs, some armor and a partial foot. 

Minmi walked on all fours and had a long tail. It had bony body armor on its body. This herbivore had horizontal plates of bones running along the sides of its vertebrae. Minmi had four short legs, a short neck and a broad skull with a small brain. It moved relatively slowly.

Scientists estimate its length to be 3 meters, and its weight to be about 300 kilograms. Minmi used its long limbs to seek shelter under bushes when threatened by large predators. It had eaten lowland plant material such as cycads, ferns, horsetail reeds, etc.

What does minmi mean?

The significance is uncertain, but it refers to the place where this specimen was mistakenly thought to have been found.

What did the minmi dinosaur eat?

Minmi was a herbivore and may have eaten lowland plant material such as cycads, ferns, horsetail sedges, etc.

Where did they live?

When did they live?

What was your diet?

Who discovered them?

What kind of dinosaurs are they?

What type of species are they?

  • Richard S. Thompson, Jolyon C. Parish, Susannah C. R. Maidment and Paul M. Barrett (2011). "Phylogeny of the ankylosaurian dinosaurs (Ornithischia: Thyreophora).". Journal of Systematic Palaeontology. in press (2): 301. doi:10.1080/14772019.2011.569091. 
  • Xu, Xing; Zheng, Xiaoting; Sullivan, Corwin; Wang, Xiaoli; Xing, Lida; Wang, Yan; Zhang, Xiaomei; O'Connor, Jingmai K.; Zhang, Fucheng; Pan, Yanhong (April 29, 2015). "A bizarre Jurassic bizarre maniraptoran theropod with preserved evidence of membranous wings". Nature 521 (7550): 70-73. doi:10.1038/nature14423. 
  • Paul, G.S., 2010, The Princeton Field Guide to Dinosaurs, Princeton University Press p. 227
  • Molnar, R.E., 1996, "Preliminary report on a new ankylosaur from the Early Cretaceous of Queensland, Australia", Memoirs of the Queensland Museum 39(3): 653-668
  • Arbour, Victoria Megan, 2014, Systematics, evolution, and biogeography of the ankylosaurid dinosaurs Ph.D thesis, University of Alberta
  • Arbour, Victoria M.; Currie, Philip J. (2015). "Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs". Journal of Systematic Palaeontology: 1. doi:10.1080/14772019.2015.1059985. 
  • Lucy G. Leahey, Ralph E. Molnar, Kenneth Carpenter, Lawrence M. Witmer and Steven W. Salisbury (2015). "Cranial osteology of the ankylosaurian dinosaur formerly known as. Minmi sp. (Ornithischia: Thyreophora) from the Lower Cretaceous Allaru Mudstone of Richmond, Queensland, Australia". PeerJ 3: e1475. doi:10.7717/peerj.1475. 
  • Molnar, R.E., 1980, "An ankylosaur (Ornithischia: Reptilia) from the Lower Cretaceous of southern Queensland", Memoirs of the Queensland Museum 20: 65-75
  • Leahey L.G. and Salisbury S.W., 2013, "First evidence of ankylosaurian dinosaurs (Ornithischia: Thyreophora) from the mid-Cretaceous (late Albian-Cenomanian) Winton Formation of Queensland, Australia", Alcheringa 37: 249-257
  • Molnar, R.E. and Frey, E., 1987, "The paravertebral elements of the Australian ankylosaur. Minmi (Reptilia: Ornithischia, Cretaceous)." Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen 175: 19-37
geological time 3

Fun Facts

  • Minmi was the only known ankylosaur from Australia.
  • It was found in north-central Queensland that is 105 million years old.
  • Minmi was bipedal or walked on two legs.
  • It was a herbivore.

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