AmmosaurusvsStyracosaurus
Ammosaurus has a higher Latest Appearance (180 vs 70 Ma), while Ammosaurus has a higher Temporal Midpoint (188 vs 73 Ma), while Ammosaurus has a higher Earliest Appearance (195 vs 76 Ma).
Physical Characteristics
5
Length
6
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
prosauropod
Type
ceratopsian
Temporal Range
Early Jurassic
Era
Late Cretaceous
195
Earliest Appearance
76
180
Latest Appearance
70
15
Time Span
6
188
Temporal Midpoint
73
Discovery
1,891
Year Discovered
1,913
USA
Discovery Location
Canada, USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).