JanenschiavsRiojasaurus
Janenschia has a higher Length (20 vs 5 m), while Riojasaurus has a higher Time Span (11 vs 3 Myr), while Riojasaurus has a higher Earliest Appearance (221 vs 154 Ma).
Physical Characteristics
20
Length
5
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
prosauropod
Temporal Range
Late Jurassic
Era
Late Triassic
154
Earliest Appearance
221
151
Latest Appearance
210
3
Time Span
11
153
Temporal Midpoint
216
Discovery
1,991
Year Discovered
1,969
Tanzania
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).