AlamosaurusvsProt-archaeopteryx
Alamosaurus has a higher Length (21 vs 2 m), while Alamosaurus has a higher Time Span (4 vs 2 Myr), while Prot-archaeopteryx has a higher Latest Appearance (120 vs 66 Ma).
Physical Characteristics
21
Length
2
N/A
Weight
N/A
herbivorous
Diet
carnivorous
Classification
sauropod
Type
small theropod
Temporal Range
Late Cretaceous
Era
Early Cretaceous
70
Earliest Appearance
122
66
Latest Appearance
120
4
Time Span
2
68
Temporal Midpoint
121
Discovery
1,922
Year Discovered
1,997
USA
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).