AlectrosaurusvsJanenschia
Alectrosaurus has a higher Time Span (20 vs 3 Myr), while Janenschia has a higher Length (20 vs 5 m), while Janenschia has a higher Latest Appearance (151 vs 70 Ma).
Physical Characteristics
5
Length
20
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
sauropod
Temporal Range
Late Cretaceous
Era
Late Jurassic
90
Earliest Appearance
154
70
Latest Appearance
151
20
Time Span
3
80
Temporal Midpoint
153
Discovery
1,933
Year Discovered
1,991
China, Mongolia
Discovery Location
Tanzania
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).