Dinosauria › Saurischia › Sauropodomorpha › Mamenchisauridae
Mamenchisaurus
Mamenchisaurus constructus Young 1954
Late Jurassic (Tithonian) · 161.5–143.1 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview
Mamenchisaurus constructus is a sauropodomorph dinosaur known from the Late Jurassic, roughly 161.5–143.1 million years ago. It was a herbivore. It was named by Young 1954. The species is represented by 3 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~11%
fragmentary record
Confirmed
Inferred
Based on 3 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Mamenchisaurus sits in deep time
Mamenchisaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Mamenchisaurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.