AllosaurusvsMamenchisaurus
Mamenchisaurus has a higher Length (22 vs 12 m), while Mamenchisaurus has a higher Time Span (10 vs 7 Myr), while Mamenchisaurus has a higher Year Discovered (1,954 vs 1,877).
Physical Characteristics
12
Length
22
2,000
Weight
N/A
carnivorous
Diet
herbivorous
Classification
large theropod
Type
sauropod
Temporal Range
Late Jurassic
Era
Late Jurassic
152
Earliest Appearance
155
145
Latest Appearance
145
7
Time Span
10
149
Temporal Midpoint
150
Discovery
1,877
Year Discovered
1,954
Portugal, USA
Discovery Location
China
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).