MamenchisaurusvsValdosaurus
Mamenchisaurus has a higher Length (22 vs 3 m), while Valdosaurus has a higher Time Span (21 vs 10 Myr), while Mamenchisaurus has a higher Latest Appearance (145 vs 121 Ma).
Physical Characteristics
22
Length
3
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
small ornithopod
Temporal Range
Late Jurassic
Era
Early Cretaceous
155
Earliest Appearance
142
145
Latest Appearance
121
10
Time Span
21
150
Temporal Midpoint
132
Discovery
1,954
Year Discovered
1,975
China
Discovery Location
England, Niger, Romania, UnitedKingdom
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).