AlamosaurusvsRiojasaurus
Alamosaurus has a higher Length (21 vs 5 m), while Riojasaurus has a higher Latest Appearance (210 vs 66 Ma), while Riojasaurus has a higher Temporal Midpoint (216 vs 68 Ma).
Physical Characteristics
21
Length
5
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
prosauropod
Temporal Range
Late Cretaceous
Era
Late Triassic
70
Earliest Appearance
221
66
Latest Appearance
210
4
Time Span
11
68
Temporal Midpoint
216
Discovery
1,922
Year Discovered
1,969
USA
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).