AchelousaurusvsMarshosaurus
Marshosaurus has a higher Latest Appearance (142 vs 70 Ma), while Marshosaurus has a higher Temporal Midpoint (148 vs 77 Ma), while Marshosaurus has a higher Earliest Appearance (154 vs 83 Ma).
Physical Characteristics
6
Length
6
N/A
Weight
N/A
herbivorous
Diet
carnivorous
Classification
ceratopsian
Type
large theropod
Temporal Range
Late Cretaceous
Era
Late Jurassic
83
Earliest Appearance
154
70
Latest Appearance
142
13
Time Span
12
77
Temporal Midpoint
148
Discovery
1,995
Year Discovered
1,976
USA
Discovery Location
USA
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Data sourced from World Dinosaur Dataset (Zenodo) (CC-BY 4.0).