AlvarezsaurusvsJanenschia
Janenschia has a higher Length (20 vs 2 m), while Janenschia has a higher Latest Appearance (151 vs 85 Ma), while Janenschia has a higher Temporal Midpoint (153 vs 87 Ma).
Physical Characteristics
2
Length
20
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
small theropod
Type
sauropod
Temporal Range
Late Cretaceous
Era
Late Jurassic
89
Earliest Appearance
154
85
Latest Appearance
151
4
Time Span
3
87
Temporal Midpoint
153
Discovery
1,991
Year Discovered
1,991
Argentina
Discovery Location
Tanzania
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).