Dinosauria›Ornithischia›Ornithopoda›Hypsilophodontidae
Silhouette of Hypsilophodon foxii

Hypsilophodon Hypsilophodon foxii (Huxley 1870)

/ˌhɪpsɪˈlɒfoʊdɒn/
Early Cretaceous (Barremian) · 125.8–121.4 Mya

Key Statistics

Diet
herbivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling

Where It Was Found

Country
United Kingdom
Region
England
Formation
Wessex
Dig sites
2
distinct collections
Recorded finds in United Kingdom. Present-day positions: the continents have moved since.

Overview

Hypsilophodon foxii is an ornithopod dinosaur known from the Early Cretaceous, roughly 125.8–121.4 million years ago. It was a herbivore. It is recorded as ground-dwelling. Fossils have been recovered from England, United Kingdom. It was named by (Huxley 1870). 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%
confidence from occurrence count
Based on 3 recorded occurrences in the Paleobiology Database.

Geologic Time

Where Hypsilophodon foxii sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Hypsilophodon
252 Mya201 Mya145 Mya66 Mya

Relationships

Part of a wider fossil web

These species share Hypsilophodon foxii's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology. Predator–prey pairs additionally have to have been dug up in the same place.

predator–prey
Baryonyx
Baryonyx walkeri
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predator–prey
Vectiraptor
Vectiraptor greeni
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predator–prey
Ceratosuchops
Ceratosuchops inferodios
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coexisted–with
Phuwiangosaurus
Phuwiangosaurus sirindhornae
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coexisted–with
Phuwiangvenator
Phuwiangvenator yaemniyomi
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coexisted–with
Concornis
Concornis lacustris
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coexisted–with
Amargasaurus
Amargasaurus cazaui
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same–clade
Gideonmantellia
Gideonmantellia amosanjuanae
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