AlvarezsaurusvsPuertasaurus
Puertasaurus has a higher Length (30 vs 2 m), while Puertasaurus has a higher Time Span (6 vs 4 Myr), while Alvarezsaurus has a higher Latest Appearance (85 vs 70 Ma).
Physical Characteristics
2
Length
30
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
small theropod
Type
sauropod
Temporal Range
Late Cretaceous
Era
Late Cretaceous
89
Earliest Appearance
76
85
Latest Appearance
70
4
Time Span
6
87
Temporal Midpoint
73
Discovery
1,991
Year Discovered
2,005
Argentina
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).