ProtoceratopsvsRiojasaurus
Riojasaurus has a higher Latest Appearance (210 vs 70 Ma), while Riojasaurus has a higher Temporal Midpoint (216 vs 72 Ma), while Riojasaurus has a higher Earliest Appearance (221 vs 74 Ma).
Physical Characteristics
2
Length
5
400
Weight
N/A
herbivorous
Diet
herbivorous
Classification
ceratopsian
Type
prosauropod
Temporal Range
Late Cretaceous
Era
Late Triassic
74
Earliest Appearance
221
70
Latest Appearance
210
4
Time Span
11
72
Temporal Midpoint
216
Discovery
1,923
Year Discovered
1,969
China, Mongolia
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).