Dinosauria › Reptilia › Theropoda › Spinosauridae
Silhouette of Spinosaurus

Spinosaurus

Spinosaurus mirabilis Sereno et al. 2026

Late Cretaceous (Cenomanian) · 100.5–93.9 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Overview

Spinosaurus mirabilis is a theropod dinosaur known from the Late Cretaceous, roughly 100.5–93.9 million years ago. It was a carnivore. It was named by Sereno et al. 2026. 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 Spinosaurus sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Spinosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

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

predator–prey
Tenontosaurus
Tenontosaurus tilletti
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predator–prey
Sauropelta
Sauropelta edwardsorum
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predator–prey
Eolambia
Eolambia caroljonesa
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coexisted–with
Asiaceratops
Asiaceratops salsopaludalis
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coexisted–with
Sauroposeidon
Sauroposeidon proteles
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same–clade
Fuscinapedis
Fuscinapedis woodbinensis
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same–clade
Siats
Siats meekerorum
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same–clade
Alnashetri
Alnashetri cerropoliciensis
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