AlvarezsaurusvsSegnosaurus
Segnosaurus has a higher Time Span (9 vs 4 Myr), while Segnosaurus has a higher Length (4 vs 2 m), while Segnosaurus has a higher Earliest Appearance (97 vs 89 Ma).
Physical Characteristics
2
Length
4
N/A
Weight
N/A
carnivorous
Diet
carnivorous
Classification
small theropod
Type
large theropod
Temporal Range
Late Cretaceous
Era
Late Cretaceous
89
Earliest Appearance
97
85
Latest Appearance
88
4
Time Span
9
87
Temporal Midpoint
93
Discovery
1,991
Year Discovered
1,979
Argentina
Discovery Location
Mongolia
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).