StygimolochvsTarchia
Tarchia has a higher Time Span (5 vs 1 Myr), while Tarchia has a higher Length (6 vs 3 m), while Tarchia has a higher Earliest Appearance (75 vs 67 Ma).
Physical Characteristics
3
Length
6
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
pachycephalosaur
Type
armoured dinosaur
Temporal Range
Late Cretaceous
Era
Late Cretaceous
67
Earliest Appearance
75
66
Latest Appearance
70
1
Time Span
5
67
Temporal Midpoint
73
Discovery
1,983
Year Discovered
1,977
USA
Discovery Location
Mongolia
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).