AmmosaurusvsTyrannosaurus
Ammosaurus has a higher Time Span (15 vs 2 Myr), while Ammosaurus has a higher Earliest Appearance (195 vs 68 Ma), while Ammosaurus has a higher Temporal Midpoint (188 vs 67 Ma).
Physical Characteristics
5
Length
12
N/A
Weight
7,000
herbivorous
Diet
carnivorous
Classification
prosauropod
Type
large theropod
Temporal Range
Early Jurassic
Era
Late Cretaceous
195
Earliest Appearance
68
180
Latest Appearance
66
15
Time Span
2
188
Temporal Midpoint
67
Discovery
1,891
Year Discovered
1,905
USA
Discovery Location
Canada, USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).