Genus
Valid Extinct

Sinornithoides

Russell and Dong 1994

Sinornithoides is a genus of troodontid theropod dinosaurs that lived during the Early Cretaceous of Inner Mongolia, China. It contains only a single species, S. youngi. Sinornithoides measured approximately 1 metre (3.3 ft) long, and probably ate invertebrates and other small prey.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Carnivore, omnivore Ground dwelling Terrestrial
Sinornithoides
click to enlarge
Wikimedia
PBDB ↗ Wikipedia ↗
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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Maniraptora Unranked clade
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Paraves Unranked clade
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Deinonychosauria Infraorder
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Troodontidae Family
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Troodontinae Subfamily
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Sinornithoides Genus
Measurements
Length
1,1 m ⓘ
Sinornithoides youngi 
Mass
2,5 kg ⓘ
Sinornithoides youngi 
Fossil sites 2 geolocated sites
Distribution
Top countries
🇨🇳 China
2
Geological formations
Ejinhoro
1
Zhonggou
1
Temporal distribution
Albian (113.2–100.5 Ma)
1
Aptian (121.4–113.2 Ma)
1
Species (1)
Sinornithoides youngi 137 Ma
Images 1
Bibliography
Original description
D. A. Russell and Z.-M. Dong. 1994. A nearly complete skeleton of a new troodontid dinosaur from the Early Cretaceous of the Ordos Basin, Inner Mongolia, People's Republic of China. Canadian Journal of Earth Sciences 30(10-11):2163-2173 DOI ↗
Bibliography (2)
Z. Dong. 1997. On small theropods from Mazongshan area, Gansu Province, China. Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing
D. A. Russell and Z.-M. Dong. 1994. A nearly complete skeleton of a new troodontid dinosaur from the Early Cretaceous of the Ordos Basin, Inner Mongolia, People's Republic of China. Canadian Journal of Earth Sciences 30(10-11):2163-2173 DOI ↗