AnserimimusvsRiojasaurus
Riojasaurus has a higher Latest Appearance (210 vs 66 Ma), while Riojasaurus has a higher Temporal Midpoint (216 vs 75 Ma), while Riojasaurus has a higher Earliest Appearance (221 vs 84 Ma).
Physical Characteristics
4
Length
5
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
prosauropod
Temporal Range
Late Cretaceous
Era
Late Triassic
84
Earliest Appearance
221
66
Latest Appearance
210
18
Time Span
11
75
Temporal Midpoint
216
Discovery
1,988
Year Discovered
1,969
Mongolia
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).