Archaeornitho-mimusvsRiojasaurus
Riojasaurus has a higher Latest Appearance (210 vs 70 Ma), while Riojasaurus has a higher Temporal Midpoint (216 vs 83 Ma), while Riojasaurus has a higher Earliest Appearance (221 vs 95 Ma).
Physical Characteristics
4
Length
5
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
small theropod
Type
prosauropod
Temporal Range
Late Cretaceous
Era
Late Triassic
95
Earliest Appearance
221
70
Latest Appearance
210
25
Time Span
11
83
Temporal Midpoint
216
Discovery
1,972
Year Discovered
1,969
China, Uzbekistan
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).