AlectrosaurusvsDryosaurus
Dryosaurus has a higher Latest Appearance (140 vs 70 Ma), while Dryosaurus has a higher Temporal Midpoint (148 vs 80 Ma), while Dryosaurus has a higher Earliest Appearance (155 vs 90 Ma).
Physical Characteristics
5
Length
4
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
small ornithopod
Temporal Range
Late Cretaceous
Era
Late Jurassic
90
Earliest Appearance
155
70
Latest Appearance
140
20
Time Span
15
80
Temporal Midpoint
148
Discovery
1,933
Year Discovered
1,894
China, Mongolia
Discovery Location
Tanzania, USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).