AlamosaurusvsProtohadros
Alamosaurus has a higher Length (21 vs 6 m), while Protohadros has a higher Latest Appearance (94 vs 66 Ma), while Protohadros has a higher Temporal Midpoint (97 vs 68 Ma).
Physical Characteristics
21
Length
6
N/A
Weight
N/A
herbivorous
Diet
herbivorous
Classification
sauropod
Type
large ornithopod
Temporal Range
Late Cretaceous
Era
Late Cretaceous
70
Earliest Appearance
99
66
Latest Appearance
94
4
Time Span
5
68
Temporal Midpoint
97
Discovery
1,922
Year Discovered
1,998
USA
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).