ChasmosaurusvsDryosaurus
Dryosaurus has a higher Time Span (15 vs 2 Myr), while Dryosaurus has a higher Earliest Appearance (155 vs 76 Ma), while Dryosaurus has a higher Temporal Midpoint (148 vs 75 Ma).
Physical Characteristics
5
Length
4
2,500
Weight
N/A
herbivorous
Diet
herbivorous
Classification
ceratopsian
Type
small ornithopod
Temporal Range
Late Cretaceous
Era
Late Jurassic
76
Earliest Appearance
155
74
Latest Appearance
140
2
Time Span
15
75
Temporal Midpoint
148
Discovery
N/A
Year Discovered
1,894
Canada
Discovery Location
Tanzania, USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).