StygimolochvsYangchuano-saurus
Yangchuano-saurus has a higher Time Span (16 vs 1 Myr), while Yangchuano-saurus has a higher Length (10 vs 3 m), while Yangchuano-saurus has a higher Earliest Appearance (160 vs 67 Ma).
Physical Characteristics
3
Length
10
N/A
Weight
N/A
herbivorous
Diet
carnivorous
Classification
pachycephalosaur
Type
large theropod
Temporal Range
Late Cretaceous
Era
Late Jurassic
67
Earliest Appearance
160
66
Latest Appearance
144
1
Time Span
16
67
Temporal Midpoint
152
Discovery
1,983
Year Discovered
1,978
USA
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).