MamenchisaurusvsSecernosaurus
Mamenchisaurus has a higher Length (22 vs 3 m), while Mamenchisaurus has a higher Latest Appearance (145 vs 66 Ma), while Mamenchisaurus has a higher Temporal Midpoint (150 vs 69 Ma).
Physical Characteristics
22
Length
3
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
large ornithopod
Temporal Range
Late Jurassic
Era
Late Cretaceous
155
Earliest Appearance
71
145
Latest Appearance
66
10
Time Span
5
150
Temporal Midpoint
69
Discovery
1,954
Year Discovered
1,979
China
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).