AlvarezsaurusvsProtoceratops
Alvarezsaurus has a higher Latest Appearance (85 vs 70 Ma), while Alvarezsaurus has a higher Temporal Midpoint (87 vs 72 Ma), while Alvarezsaurus has a higher Earliest Appearance (89 vs 74 Ma).
Physical Characteristics
2
Length
2
N/A
Weight
400
carnivorous
Diet
herbivorous
Classification
small theropod
Type
ceratopsian
Temporal Range
Late Cretaceous
Era
Late Cretaceous
89
Earliest Appearance
74
85
Latest Appearance
70
4
Time Span
4
87
Temporal Midpoint
72
Discovery
1,991
Year Discovered
1,923
Argentina
Discovery Location
China, Mongolia
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).