AlvarezsaurusvsBellusaurus
Bellusaurus has a higher Time Span (21 vs 4 Myr), while Bellusaurus has a higher Length (5 vs 2 m), while Bellusaurus has a higher Earliest Appearance (180 vs 89 Ma).
Physical Characteristics
2
Length
5
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
small theropod
Type
sauropod
Temporal Range
Late Cretaceous
Era
Mid Jurassic
89
Earliest Appearance
180
85
Latest Appearance
159
4
Time Span
21
87
Temporal Midpoint
170
Discovery
1,991
Year Discovered
1,990
Argentina
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).