AlamosaurusvsArchaeopteryx
Alamosaurus has a higher Length (21 vs 1 m), while Archaeopteryx has a higher Latest Appearance (145 vs 66 Ma), while Archaeopteryx has a higher Temporal Midpoint (147 vs 68 Ma).
Physical Characteristics
21
Length
1
N/A
Weight
N/A
herbivorous
Diet
carnivorous
Classification
sauropod
Type
small theropod
Temporal Range
Late Cretaceous
Era
Late Jurassic
70
Earliest Appearance
149
66
Latest Appearance
145
4
Time Span
4
68
Temporal Midpoint
147
Discovery
1,922
Year Discovered
1,861
USA
Discovery Location
Germany
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).