Dinosauria › Ornithischia
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Probactrosaurus

Probactrosaurus gobiensis Rozhdestvensky 1966

Early Cretaceous (Albian) · 121.4–100.5 Mya
Key Statistics
Diet
herbivore
Locomotion
bipedal
inferred from clade
Overview

Probactrosaurus gobiensis is an ornithopod dinosaur known from the Early Cretaceous, roughly 121.4–100.5 million years ago. It was a herbivore. It was named by Rozhdestvensky 1966. The species is represented by 2 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~8%
fragmentary record
Confirmed
Inferred
Based on 2 recorded occurrences in the Paleobiology Database.
Geologic Time

Where Probactrosaurus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Probactrosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

These species share Probactrosaurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.

predator–prey
Erectopus
Erectopus superbus
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predator–prey
Suchomimus
Suchomimus tenerensis
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predator–prey
Eocarcharia
Eocarcharia dinops
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coexisted–with
Psittacosaurus
Psittacosaurus mongoliensis
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coexisted–with
Polacanthus
Polacanthus foxii
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coexisted–with
Hylaeosaurus
Hylaeosaurus armatus
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coexisted–with
Nigersaurus
Nigersaurus taqueti
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same–clade
Ouranosaurus
Ouranosaurus nigeriensis
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