JanenschiavsNigersaurus
Nigersaurus has a higher Time Span (22 vs 3 Myr), while Janenschia has a higher Latest Appearance (151 vs 99 Ma), while Janenschia has a higher Temporal Midpoint (153 vs 110 Ma).
Physical Characteristics
20
Length
15
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
sauropod
Temporal Range
Late Jurassic
Era
Early Cretaceous
154
Earliest Appearance
121
151
Latest Appearance
99
3
Time Span
22
153
Temporal Midpoint
110
Discovery
1,991
Year Discovered
1,999
Tanzania
Discovery Location
Algeria, Niger, Tunisia
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).