NothronychusvsProbactrosaurus
Probactrosaurus has a higher Time Span (22 vs 5 Myr), while Probactrosaurus has a higher Earliest Appearance (121 vs 94 Ma), while Probactrosaurus has a higher Temporal Midpoint (110 vs 92 Ma).
Physical Characteristics
5
Length
6
N/A
Weight
N/A
omnivorous
Diet
herbivorous
Classification
large theropod
Type
large ornithopod
Temporal Range
Late Cretaceous
Era
Early Cretaceous
94
Earliest Appearance
121
89
Latest Appearance
99
5
Time Span
22
92
Temporal Midpoint
110
Discovery
2,001
Year Discovered
1,966
USA
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).