AntarctosaurusvsSinornithosaurus
Antarctosaurus has a higher Length (18 vs 2 m), while Sinornithosaurus has a higher Earliest Appearance (122 vs 84 Ma), while Sinornithosaurus has a higher Temporal Midpoint (121 vs 84 Ma).
Physical Characteristics
18
Length
2
N/A
Weight
N/A
herbivorous
Diet
carnivorous
Classification
sauropod
Type
small theropod
Temporal Range
Late Cretaceous
Era
Early Cretaceous
84
Earliest Appearance
122
84
Latest Appearance
120
N/A
Time Span
2
84
Temporal Midpoint
121
Discovery
1,929
Year Discovered
1,999
Argentina, Chile, Uruguay
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).