Classification
Dinosauria
Unranked clade
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Theropoda
Unranked clade
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Neotheropoda
Unranked clade
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Averostra
Unranked clade
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Tetanurae
Unranked clade
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Coelurosauria
Unranked clade
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Alvarezsauria
Infraorder
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Alvarezsauroidea
Unranked clade
Fossil sites 50 geolocated sites
Distribution
Top countries
Geological formations
Temporal distribution
Maastrichtian
(72.2–66 Ma)
25
Campanian
(83.6–72.2 Ma)
13
Santonian
(85.7–83.6 Ma)
2
Coniacian
(89.8–85.7 Ma)
1
Turonian
(93.9–89.8 Ma)
3
Cenomanian
(100.5–93.9 Ma)
2
Aptian
(121.4–113.2 Ma)
2
Valanginian
(137.05–132.6 Ma)
1
Oxfordian
(161.5–154.8 Ma)
1
Images 1
Bibliography
Original description
J. N. Choiniere, X. Xu, and J. M. Clark, C. A. Forster, Y. Guo, F. Han. 2010. A basal alvarezsauroid theropod from the early Late Jurassic of Xinjiang, China. Science 327(5965):571-574
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