Dinosauria › Saurischia › Sauropodomorpha › Cetiosauridae
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Protognathosaurus
Protognathosaurus oxyodon (Zhang 1988)
Middle Jurassic (Oxfordian) · 170.9–154.8 Mya
Key Statistics
Diet
herbivore
Locomotion
quadrupedal
inferred from clade
Overview
Protognathosaurus oxyodon is a sauropodomorph dinosaur known from the Middle Jurassic, roughly 170.9–154.8 million years ago. It was a herbivore. It was named by (Zhang 1988). 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 Protognathosaurus sits in deep time
Protognathosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Protognathosaurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.