AchillobatorvsAmmosaurus
Ammosaurus has a higher Latest Appearance (180 vs 84 Ma), while Ammosaurus has a higher Temporal Midpoint (188 vs 92 Ma), while Ammosaurus has a higher Earliest Appearance (195 vs 99 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
99
Earliest Appearance
195
84
Latest Appearance
180
15
Time Span
15
92
Temporal Midpoint
188
Discovery
1,999
Year Discovered
1,891
Mongolia
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).