AlectrosaurusvsHerrerasaurus
Herrerasaurus has a higher Latest Appearance (228 vs 70 Ma), while Herrerasaurus has a higher Temporal Midpoint (228 vs 80 Ma), while Herrerasaurus has a higher Earliest Appearance (228 vs 90 Ma).
Physical Characteristics
5
Length
3
N/A
Weight
N/A
carnivorous
Diet
carnivorous
Classification
large theropod
Type
early dinosaur
Temporal Range
Late Cretaceous
Era
Late Triassic
90
Earliest Appearance
228
70
Latest Appearance
228
20
Time Span
N/A
80
Temporal Midpoint
228
Discovery
1,933
Year Discovered
1,963
China, Mongolia
Discovery Location
Argentina
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).