AlectrosaurusvsMamenchisaurus
Mamenchisaurus has a higher Length (22 vs 5 m), while Mamenchisaurus has a higher Latest Appearance (145 vs 70 Ma), while Alectrosaurus has a higher Time Span (20 vs 10 Myr).
Physical Characteristics
5
Length
22
N/A
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
sauropod
Temporal Range
Late Cretaceous
Era
Late Jurassic
90
Earliest Appearance
155
70
Latest Appearance
145
20
Time Span
10
80
Temporal Midpoint
150
Discovery
1,933
Year Discovered
1,954
China, Mongolia
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).