Dinosauria › Saurischia › Sauropodomorpha › Mamenchisauridae
Silhouette unavailable
Tongnanlong
Tongnanlong zhimingi Wei et al. 2025
Late Jurassic (Tithonian) · 161.5–143.1 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview
Tongnanlong zhimingi 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 Wei et al. 2025. The species is represented by 1 recorded occurrence in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~5%
fragmentary record
Confirmed
Inferred
Based on 1 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Tongnanlong sits in deep time
Tongnanlong
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Tongnanlong's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.