ArrhinoceratopsvsProbactrosaurus
Probactrosaurus has a higher Time Span (22 vs 5 Myr), while Probactrosaurus has a higher Earliest Appearance (121 vs 72 Ma), while Probactrosaurus has a higher Temporal Midpoint (110 vs 70 Ma).
Physical Characteristics
6
Length
6
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
ceratopsian
Type
large ornithopod
Temporal Range
Late Cretaceous
Era
Early Cretaceous
72
Earliest Appearance
121
67
Latest Appearance
99
5
Time Span
22
70
Temporal Midpoint
110
Discovery
1,925
Year Discovered
1,966
Canada
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).