MononykusvsStygimoloch
Mononykus has a higher Time Span (13 vs 1 Myr), while Stygimoloch has a higher Length (3 vs 1 m), while Mononykus has a higher Earliest Appearance (81 vs 67 Ma).
Physical Characteristics
1
Length
3
N/A
Weight
N/A
NA
Diet
herbivorous
Classification
small theropod
Type
pachycephalosaur
Temporal Range
Late Cretaceous
Era
Late Cretaceous
81
Earliest Appearance
67
68
Latest Appearance
66
13
Time Span
1
75
Temporal Midpoint
67
Discovery
1,993
Year Discovered
1,983
China, Mongolia
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).