HadrosaurusvsHylaeosaurus
Hylaeosaurus has a higher Time Span (15 vs 4 Myr), while Hylaeosaurus has a higher Earliest Appearance (150 vs 78 Ma), while Hylaeosaurus has a higher Temporal Midpoint (143 vs 76 Ma).
Physical Characteristics
9
Length
5
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
large ornithopod
Type
armoured dinosaur
Temporal Range
Late Cretaceous
Era
Early Cretaceous
78
Earliest Appearance
150
74
Latest Appearance
135
4
Time Span
15
76
Temporal Midpoint
143
Discovery
1,858
Year Discovered
1,833
USA
Discovery Location
England, UnitedKingdom
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).