Hypsilophodon

Hypsilophodon is a neornithischian dinosaur genus from the Early Cretaceous period of England. It has traditionally been considered an early member of the group Ornithopoda, but recent research has put this into question.

A picture published with the record for Hypsilophodon.

MWAK · Public Domain · via Wikipedia/Commons. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.

On record

Recorded, not inferred
Sits inside
HypsilophodontidaePBDB
Diet
herbivorePBDB
Life habit
ground dwellingPBDB
Motility
actively mobilePBDB
Environment
terrestrialPBDB
Length
2.3 mWikidata

Time the record covers

At least 17 million years on record.

The record covers at least 143.1 Mya to 125.77 Mya. No occurrence read is dated outside 154.8 Mya to 100.5 Mya.

Late Jurassic — about 2 of 10 occurrencesLate JurassicEarly Cretaceous — about 8 of 10 occurrencesEarly CretaceousLate Cretaceous — about 0 of 10 occurrences156–154 Mya — about 0.1 occurrences154–152 Mya — about 0.2 occurrences152–150 Mya — about 0.2 occurrences150–148 Mya — about 0.3 occurrences148–146 Mya — about 0.5 occurrences146–145 Mya — about 0.5 occurrences145–143 Mya — about 0.4 occurrences143–141 Mya — about 0.4 occurrences141–139 Mya — about 0.4 occurrences139–137 Mya — about 0.4 occurrences137–135 Mya — about 0.0 occurrences135–133 Mya — about 0.0 occurrences133–131 Mya — about 0.0 occurrences131–130 Mya — about 0.0 occurrences130–128 Mya — about 0.0 occurrences128–126 Mya — about 0.0 occurrences126–124 Mya — about 2 occurrences124–122 Mya — about 2 occurrences122–120 Mya — about 1 occurrence120–118 Mya — about 0.2 occurrences118–116 Mya — about 0.0 occurrences116–114 Mya — about 0.0 occurrences114–113 Mya — about 0.0 occurrences113–111 Mya — about 0.0 occurrences111–109 Mya — about 0.0 occurrences109–107 Mya — about 0.0 occurrences107–105 Mya — about 0.0 occurrences105–103 Mya — about 0.0 occurrences103–101 Mya — about 0.0 occurrences101–99 Mya — about 0.0 occurrences143.1 Mya125.77 Mya156 Mya99 Mya

10 occurrences of Hypsilophodon on record, most of them in the Early Cretaceous. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.

When

10 occurrences

These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.

Found in

7 formations

Wessex — 50.62°N, 1.37°WVectis — 50.65°N, 1.47°WArtoles — 40.82°N, 0.28°WVillar del Arzobispo — 40.66°N, 0.88°WLower Bauxite — 46.95°N, 22.40°ECastrillo de la Reina — 41.93°N, 3.24°WLourinhã — 39.35°N, 9.32°W

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The named rock units Hypsilophodon has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.

Hypsilophodon and its relatives

Early Cretaceous

Where Hypsilophodon and its relatives were recorded in the Early Cretaceous.

Found in the same rock

82 taxa

The Paleobiology Database records 9 sites for Hypsilophodon, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.

This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.

Entered from

10 references

Each of the 10 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content3

Picture of Hypsilophodon

Credit
MWAK
Licence
Public Domain
Commercial use
the licence allows it

CT scan

Licence
In Copyright
Commercial use
cannot be read from the licence given — check the record
Specimen
Hypsilophodon foxii · NHMUK:PAL:PV R 196

3D model

Source
Sketchfab
Licence
CC Attribution-NonCommercial-ShareAlike
Commercial use
the licence does not allow it

The description on this site

Licence
CC BY-SA 4.0

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itHypsilophodontidae through timeFormations of the Early CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Huxley 1870