AlioramusvsRiojasaurus
Riojasaurus has a higher Latest Appearance (210 vs 66 Ma), while Riojasaurus has a higher Temporal Midpoint (216 vs 69 Ma), while Riojasaurus has a higher Earliest Appearance (221 vs 71 Ma).
Physical Characteristics
6
Length
5
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
prosauropod
Temporal Range
Late Cretaceous
Era
Late Triassic
71
Earliest Appearance
221
66
Latest Appearance
210
5
Time Span
11
69
Temporal Midpoint
216
Discovery
1,976
Year Discovered
1,969
Mongolia
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).