Magnirostris

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Magnirostris
Temporal range: Campanian 84–72 Ma
Magnirostris-Paleozoological Museum of China.jpg
Skull of Magnirostris dodsoni, on display at the Paleozoological Museum of China
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Ornithischia
Infraorder: Neoceratopsia
Parvorder: Coronosauria
Family: Protoceratopsidae
Genus: Magnirostris
You and Dong, 2003
Species
  • M. dodsoni You and Dong, 2003 (type)

Magnirostris, from the Latin magnus "large" and rostrum "beak", is the name given to a genus of dinosaur from the upper Campanian stage in the Upper Cretaceous. It was a ceratopsian which lived in Inner Mongolia in China. It is distinguished from other protoceratopsids by its large beak (hence the name) and incipient orbital horn cores.

Discovery and species

Magnirostris dodsoni was described by You and Dong Zhiming in 2003, from a near-complete skull collected from the Bayan Mandahu area in Inner Mongolia, China by the Sino-Canadian Dinosaur Project. It was named after Peter Dodson, a palaeontologist.

It may be only a variant of Bagaceratops, and the incipient horn cores may be an artifact of preservation.[1]

Paleoecology

Magnirostris lived in deserts with dunes. Other dinosaurs discovered in the Bayan Mandahu include Protoceratops helleninkorhinus, another primitive ceratopsian, and possibly Velociraptor mongoliensis, a small predatory theropod.[2]

See also

References

  1. ^ Makovicky, Peter J.; Norell, Mark A. (2006). "Yamaceratops dorngobiensis, a new primitive ceratopsian (Dinosauria: Ornithischia) from the Cretaceous of Mongolia" (pdf). American Museum Novitates. 3530: 1–42. doi:10.1206/0003-0082(2006)3530[1:YDANPC]2.0.CO;2. ISSN 0003-0082.
  2. ^ Paul, Gregory S. The Princeton Field Guide to Dinosaurs. 2nd ed. Princeton, NJ: Princeton UP, 2016. Print.
  • You H.-L. & Dong Zhiming (2003). "A new protoceratopsid (Dinosauria: Neoceratopsia) from the Late Cretaceous of Inner Mongolia, China". Acta Geologica Sinica (English edition). 77 (3): 299–303. doi:10.1111/j.1755-6724.2003.tb00745.x.


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