ChasmosaurusvsRiojasaurus
Riojasaurus has a higher Time Span (11 vs 2 Myr), while Riojasaurus has a higher Earliest Appearance (221 vs 76 Ma), while Riojasaurus has a higher Temporal Midpoint (216 vs 75 Ma).
Physical Characteristics
5
Length
5
2,500
Weight
N/A
herbivorous
Diet
herbivorous
Classification
ceratopsian
Type
prosauropod
Temporal Range
Late Cretaceous
Era
Late Triassic
76
Earliest Appearance
221
74
Latest Appearance
210
2
Time Span
11
75
Temporal Midpoint
216
Discovery
N/A
Year Discovered
1,969
Canada
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).