AntarctosaurusvsValdosaurus
Antarctosaurus has a higher Length (18 vs 3 m), while Valdosaurus has a higher Earliest Appearance (142 vs 84 Ma), while Valdosaurus has a higher Temporal Midpoint (132 vs 84 Ma).
Physical Characteristics
18
Length
3
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
small ornithopod
Temporal Range
Late Cretaceous
Era
Early Cretaceous
84
Earliest Appearance
142
84
Latest Appearance
121
N/A
Time Span
21
84
Temporal Midpoint
132
Discovery
1,929
Year Discovered
1,975
Argentina, Chile, Uruguay
Discovery Location
England, Niger, Romania, UnitedKingdom
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).