Archaeornitho-mimusvsMarshosaurus
Archaeornitho-mimus has a higher Time Span (25 vs 12 Myr), while Marshosaurus has a higher Latest Appearance (142 vs 70 Ma), while Marshosaurus has a higher Temporal Midpoint (148 vs 83 Ma).
Physical Characteristics
4
Length
6
N/A
Weight
N/A
carnivorous
Diet
carnivorous
Classification
small theropod
Type
large theropod
Temporal Range
Late Cretaceous
Era
Late Jurassic
95
Earliest Appearance
154
70
Latest Appearance
142
25
Time Span
12
83
Temporal Midpoint
148
Discovery
1,972
Year Discovered
1,976
China, Uzbekistan
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).