Dinosauria › Ornithischia
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Mantellisaurus
Mantellisaurus atherfieldensis (Hooley 1925)
Early Cretaceous (Aptian) · 143.1–119.6 Mya
Key Statistics
Diet
herbivore
Locomotion
bipedal
inferred from clade
Overview
Mantellisaurus atherfieldensis is an ornithopod dinosaur known from the Early Cretaceous, roughly 143.1–119.6 million years ago. It was a herbivore. It was named by (Hooley 1925). The species is represented by 13 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~41%
confidence from occurrence count
Confirmed
Inferred
Based on 13 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Mantellisaurus sits in deep time
Mantellisaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Mantellisaurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.