Mamenchisaurus Mamenchisaurus hochuanensis Chao 1965
/məˌmʌntʃiˈsɔːrəs/
Late Jurassic (Tithonian) · 168.2–143.1 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Habitat
ground-dwelling
Social
herding
Where It Was Found
Country
China
Regions
Sichuan · Gansu
Formations
Shaximiao · Xiangtang
Dig sites
5
distinct collections
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 is recorded as ground-dwelling and herding. Fossils have been recovered from Sichuan, China. 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%
confidence from occurrence count
Based on 5 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Mamenchisaurus hochuanensis sits in deep time
Mamenchisaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Mamenchisaurus hochuanensis's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology. Predator–prey pairs additionally have to have been dug up in the same place.