AmargasaurusvsHadrosaurus
Amargasaurus has a higher Latest Appearance (127 vs 74 Ma), while Amargasaurus has a higher Temporal Midpoint (130 vs 76 Ma), while Amargasaurus has a higher Earliest Appearance (132 vs 78 Ma).
Physical Characteristics
12
Length
9
9,000
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
large ornithopod
Temporal Range
Early Cretaceous
Era
Late Cretaceous
132
Earliest Appearance
78
127
Latest Appearance
74
5
Time Span
4
130
Temporal Midpoint
76
Discovery
1,991
Year Discovered
1,858
Argentina
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).