AchelousaurusvsAmmosaurus
Ammosaurus has a higher Latest Appearance (180 vs 70 Ma), while Ammosaurus has a higher Temporal Midpoint (188 vs 77 Ma), while Ammosaurus has a higher Earliest Appearance (195 vs 83 Ma).
Physical Characteristics
6
Length
5
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
ceratopsian
Type
prosauropod
Temporal Range
Late Cretaceous
Era
Early Jurassic
83
Earliest Appearance
195
70
Latest Appearance
180
13
Time Span
15
77
Temporal Midpoint
188
Discovery
1,995
Year Discovered
1,891
USA
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).