SecernosaurusvsYandusaurus
Yandusaurus has a higher Latest Appearance (159 vs 66 Ma), while Yandusaurus has a higher Temporal Midpoint (164 vs 69 Ma), while Yandusaurus has a higher Earliest Appearance (169 vs 71 Ma).
Physical Characteristics
3
Length
3
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
large ornithopod
Type
small ornithopod
Temporal Range
Late Cretaceous
Era
Mid Jurassic
71
Earliest Appearance
169
66
Latest Appearance
159
5
Time Span
10
69
Temporal Midpoint
164
Discovery
1,979
Year Discovered
1,979
Argentina
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).