AlectrosaurusvsAmmosaurus
Ammosaurus has a higher Latest Appearance (180 vs 70 Ma), while Ammosaurus has a higher Temporal Midpoint (188 vs 80 Ma), while Ammosaurus has a higher Earliest Appearance (195 vs 90 Ma).
Physical Characteristics
5
Length
5
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
prosauropod
Temporal Range
Late Cretaceous
Era
Early Jurassic
90
Earliest Appearance
195
70
Latest Appearance
180
20
Time Span
15
80
Temporal Midpoint
188
Discovery
1,933
Year Discovered
1,891
China, Mongolia
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).