AlvarezsaurusvsGuaibasaurus
Guaibasaurus has a higher Time Span (11 vs 4 Myr), while Guaibasaurus has a higher Earliest Appearance (221 vs 89 Ma), while Guaibasaurus has a higher Temporal Midpoint (216 vs 87 Ma).
Physical Characteristics
2
Length
2
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
small theropod
Type
prosauropod
Temporal Range
Late Cretaceous
Era
Late Triassic
89
Earliest Appearance
221
85
Latest Appearance
210
4
Time Span
11
87
Temporal Midpoint
216
Discovery
1,991
Year Discovered
1,999
Argentina
Discovery Location
Brazil
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).