AntarctosaurusvsOrnitholestes
Antarctosaurus has a higher Length (18 vs 2 m), while Ornitholestes has a higher Earliest Appearance (150 vs 84 Ma), while Ornitholestes has a higher Temporal Midpoint (147 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
Late Jurassic
84
Earliest Appearance
150
84
Latest Appearance
144
N/A
Time Span
6
84
Temporal Midpoint
147
Discovery
1,929
Year Discovered
1,933
Argentina, Chile, Uruguay
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).