Dinosauria › Reptilia › Theropoda › Therizinosauridae
Silhouette of Segnosaurus

Segnosaurus

Segnosaurus galbinensis Perle 1979

Late Cretaceous (Santonian) · 100.5–83.6 Mya
Key Statistics
Diet
herbivore
Locomotion
bipedal
inferred from clade
Overview

Segnosaurus galbinensis is a theropod dinosaur known from the Late Cretaceous, roughly 100.5–83.6 million years ago. It was a herbivore. It was named by Perle 1979. The species is represented by 3 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~11%
fragmentary record
Confirmed
Inferred
Based on 3 recorded occurrences in the Paleobiology Database.
Geologic Time

Where Segnosaurus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Segnosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

coexisted–with
Gobihadros
Gobihadros mongoliensis
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coexisted–with
Talarurus
Talarurus plicatospineus
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coexisted–with
Notocolossus
Notocolossus gonzalezparejasi
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coexisted–with
Niobrarasaurus
Niobrarasaurus coleii
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coexisted–with
Huehuecanauhtlus
Huehuecanauhtlus tiquichensis
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same–clade
Khankhuuluu
Khankhuuluu mongoliensis
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same–clade
Enigmosaurus
Enigmosaurus mongoliensis
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same–clade
Duonychus
Duonychus tsogtbaatari
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