A Ceratopsian dinosaur Psittacosaurus sibiricus from the Early Cretaceous of West Siberia, Russia and its phylogenetic relationships

@article{Averianov2006ACD,
  title={A Ceratopsian dinosaur Psittacosaurus sibiricus from the Early Cretaceous of West Siberia, Russia and its phylogenetic relationships},
  author={Alexander O. Averianov and Alexei V. Voronkevich and Sergey V. Leshchinskiy and Alexei V. Fayngertz},
  journal={Journal of Systematic Palaeontology},
  year={2006},
  volume={4},
  pages={359 - 395}
}
Synopsis Psittacosaurus sibiricus from the Aptian‐Albian Ilek Formation at Shestakovo, Kemerovo Province, West Siberia, is represented by two almost complete adult skeletons, several associated groups of bones and numerous isolated bones of individuals ranging from post‐hatchling to fully grown animals. Psittacosaurus sibiricus differs from nine other species of the genus by a unique combination of 32 diagnostic characters, six of which are autapomorphies of the species: small in‐fratemporal… 
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References

SHOWING 1-10 OF 133 REFERENCES
The morphology and systematics of Avaceratops, a primitive horned dinosaur from the Judith River Formation (Late Campanian) of Montana, with the description of a second skull
TLDR
The partial skull and skeleton of Avaceratops lammersi, an unusual ceratopsid from the Judith River Formation of central Montana, are described and it is found that it is close to the ancestry of Triceratops and the C...
On Chirostenotes, a Late Cretaceous oviraptorosaur (Dinosauria: Theropoda) from western North America
ABSTRACT A previously unrecognized partial skeleton of Chirostenotes pergracilis Gilmore, 1924 from the Upper Cretaceous Horseshoe Canyon Formation of Alberta (Canada) includes parts of the skull,
An ankylosaurid (Ornithischia: Ankylosauria) braincase from the Upper Cretaceous Bissekty Formation of Uzbekistan
An ankylosaurid braincase from the Upper Cretaceous Bissekty Fm. (Upper Turonian-Coniacian) at Dzharakuduk, central Kyzylkum Desert (Uzbekistan), is most similar to the braincase of Amtosaurus magnus
A psittacosaurid dinosaur from the Cretaceous of Thailand and its implications for the palaeogeographical history of Asia
Primitive ceratopian dinosaurs of the family Psittacosauridae were hitherto known only from central and northern Asia, from northern China to Mongolia and Siberia. This paper reports the discovery of
A sauropod foot from the Early Cretaceous of Western Siberia, Russia
We describe a reasonably complete sauropod foot from the Early Cretaceous (Aptian–Albian) Ilek Formation at the Shestakovo locality in Western Siberia, Russia. It shows some primitive characters,
Montanoceratops cerorhynchus (Dinosauria: Ceratopsia) and relationships among basal neoceratopsians
TLDR
P Paleogeographical interpretation of the cladogram suggests that Neoceratopsia originated in Asia, and that there were at least two migrations of ceratopsians from Asia ...
New psittacosaur occurrences in Inner Mongolia
Psittacosaur materials were collected from seven localities in the course of Dinosaur Project fieldwork in Inner Mongolia. Two new species of Psittacosaurus are recognized, bringing the number of
Psittacosaurus meileyingensis (Ornithischia: Ceratopsia), a new psittacosaur from the Lower Cretaceous of northeastern China
ABSTRACT A new psittacosaur species, Psittacosaurus meileyingensis, is based on a well preserved skull with referred cranial and postcranial remains. The skull is tall relative to its length and has
First report of protoceratopsians (Neoceratopsia) from the Late Cretaceous Judith River Group, Alberta, Canada
Protoceratopsians are best known in North America from associated skeletal material of Montanoceratops from the early Maastrichtian of Montana and Campanian of Alberta and Leptoceratops from the late
Cretaceous age for the feathered dinosaurs of Liaoning, China
TLDR
The results of this dating study indicate that the lower Yixian fossil horizons are not Jurassic but rather are at least 20 Myr younger, placing them within middle Early Cretaceous time.
...
1
2
3
4
5
...