DracorexvsHylaeosaurus
Hylaeosaurus has a higher Earliest Appearance (150 vs 66 Ma), while Hylaeosaurus has a higher Temporal Midpoint (143 vs 66 Ma), while Hylaeosaurus has a higher Latest Appearance (135 vs 66 Ma).
Physical Characteristics
4
Length
5
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
pachycephalosaur
Type
armoured dinosaur
Temporal Range
Late Cretaceous
Era
Early Cretaceous
66
Earliest Appearance
150
66
Latest Appearance
135
N/A
Time Span
15
66
Temporal Midpoint
143
Discovery
2,006
Year Discovered
1,833
USA
Discovery Location
England, UnitedKingdom
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).