Haplocantho-saurusvsStygimoloch
Haplocantho-saurus has a higher Time Span (12 vs 1 Myr), while Haplocantho-saurus has a higher Length (22 vs 3 m), while Haplocantho-saurus has a higher Earliest Appearance (154 vs 67 Ma).
Physical Characteristics
22
Length
3
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
pachycephalosaur
Temporal Range
Late Jurassic
Era
Late Cretaceous
154
Earliest Appearance
67
142
Latest Appearance
66
12
Time Span
1
148
Temporal Midpoint
67
Discovery
1,903
Year Discovered
1,983
USA
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).