AlvarezsaurusvsAmargasaurus
Amargasaurus has a higher Length (12 vs 2 m), while Amargasaurus has a higher Latest Appearance (127 vs 85 Ma), while Amargasaurus has a higher Temporal Midpoint (130 vs 87 Ma).
Physical Characteristics
2
Length
12
N/A
Weight
9,000
carnivorous
Diet
herbivorous
Classification
small theropod
Type
sauropod
Temporal Range
Late Cretaceous
Era
Early Cretaceous
89
Earliest Appearance
132
85
Latest Appearance
127
4
Time Span
5
87
Temporal Midpoint
130
Discovery
1,991
Year Discovered
1,991
Argentina
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).