AmmosaurusvsGryposaurus
Ammosaurus has a higher Latest Appearance (180 vs 71 Ma), while Ammosaurus has a higher Temporal Midpoint (188 vs 79 Ma), while Ammosaurus has a higher Earliest Appearance (195 vs 86 Ma).
Physical Characteristics
5
Length
10
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
prosauropod
Type
large ornithopod
Temporal Range
Early Jurassic
Era
Late Cretaceous
195
Earliest Appearance
86
180
Latest Appearance
71
15
Time Span
15
188
Temporal Midpoint
79
Discovery
1,891
Year Discovered
1,914
USA
Discovery Location
Canada, USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).