Dinosauria › Saurischia › Sauropodomorpha › Mamenchisauridae
Silhouette of Mamenchisaurus

Mamenchisaurus

Mamenchisaurus hochuanensis Chao 1965

Late Jurassic (Tithonian) · 168.2–143.1 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview

Mamenchisaurus hochuanensis is a sauropodomorph dinosaur known from the Late Jurassic, roughly 168.2–143.1 million years ago. It was a herbivore. It was named by Chao 1965. The species is represented by 5 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~18%
fragmentary record
Confirmed
Inferred
Based on 5 recorded occurrences in the Paleobiology Database.
Geologic Time

Where Mamenchisaurus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
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.

predator–prey
Allosaurus
Allosaurus fragilis
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predator–prey
Torvosaurus
Torvosaurus tanneri
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predator–prey
Torvosaurus
Torvosaurus gurneyi
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coexisted–with
Kentrosaurus
Kentrosaurus aethiopicus
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coexisted–with
Dacentrurus
Dacentrurus armatus
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coexisted–with
Camptosaurus
Camptosaurus dispar
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coexisted–with
Stegosaurus
Stegosaurus stenops
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same–clade
Xinjiangtitan
Xinjiangtitan shanshanesis
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