OthnieliavsSinornithosaurus
Othnielia has a higher Time Span (12 vs 2 Myr), while Sinornithosaurus has a higher Length (2 vs 1 m), while Othnielia has a higher Earliest Appearance (154 vs 122 Ma).
Physical Characteristics
1
Length
2
N/A
Weight
N/A
herbivorous
Diet
carnivorous
Classification
small ornithischian
Type
small theropod
Temporal Range
Late Jurassic
Era
Early Cretaceous
154
Earliest Appearance
122
142
Latest Appearance
120
12
Time Span
2
148
Temporal Midpoint
121
Discovery
1,877
Year Discovered
1,999
USA
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).