AchelousaurusvsAlvarezsaurus
Achelousaurus has a higher Time Span (13 vs 4 Myr), while Achelousaurus has a higher Length (6 vs 2 m), while Alvarezsaurus has a higher Latest Appearance (85 vs 70 Ma).
Physical Characteristics
6
Length
2
N/A
Weight
N/A
herbivorous
Diet
carnivorous
Classification
ceratopsian
Type
small theropod
Temporal Range
Late Cretaceous
Era
Late Cretaceous
83
Earliest Appearance
89
70
Latest Appearance
85
13
Time Span
4
77
Temporal Midpoint
87
Discovery
1,995
Year Discovered
1,991
USA
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).