Opisthocoeli-caudiavsProbactrosaurus
Probactrosaurus has a higher Time Span (22 vs 4 Myr), while Opisthocoeli-caudia has a higher Length (12 vs 6 m), while Probactrosaurus has a higher Earliest Appearance (121 vs 72 Ma).
Physical Characteristics
12
Length
6
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
large ornithopod
Temporal Range
Late Cretaceous
Era
Early Cretaceous
72
Earliest Appearance
121
68
Latest Appearance
99
4
Time Span
22
70
Temporal Midpoint
110
Discovery
1,977
Year Discovered
1,966
Mongolia
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).