AlectrosaurusvsMarshosaurus
Marshosaurus has a higher Latest Appearance (142 vs 70 Ma), while Marshosaurus has a higher Temporal Midpoint (148 vs 80 Ma), while Marshosaurus has a higher Earliest Appearance (154 vs 90 Ma).
Physical Characteristics
5
Length
6
N/A
Weight
N/A
carnivorous
Diet
carnivorous
Classification
large theropod
Type
large theropod
Temporal Range
Late Cretaceous
Era
Late Jurassic
90
Earliest Appearance
154
70
Latest Appearance
142
20
Time Span
12
80
Temporal Midpoint
148
Discovery
1,933
Year Discovered
1,976
China, Mongolia
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).