AmargasaurusvsMamenchisaurus
Mamenchisaurus has a higher Time Span (10 vs 5 Myr), while Mamenchisaurus has a higher Length (22 vs 12 m), while Mamenchisaurus has a higher Earliest Appearance (155 vs 132 Ma).
Physical Characteristics
12
Length
22
9,000
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
sauropod
Temporal Range
Early Cretaceous
Era
Late Jurassic
132
Earliest Appearance
155
127
Latest Appearance
145
5
Time Span
10
130
Temporal Midpoint
150
Discovery
1,991
Year Discovered
1,954
Argentina
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).