AchelousaurusvsRiojasaurus
Riojasaurus has a higher Latest Appearance (210 vs 70 Ma), while Riojasaurus has a higher Temporal Midpoint (216 vs 77 Ma), while Riojasaurus has a higher Earliest Appearance (221 vs 83 Ma).
Physical Characteristics
6
Length
5
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
ceratopsian
Type
prosauropod
Temporal Range
Late Cretaceous
Era
Late Triassic
83
Earliest Appearance
221
70
Latest Appearance
210
13
Time Span
11
77
Temporal Midpoint
216
Discovery
1,995
Year Discovered
1,969
USA
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).