Picrocleidus beloclis
Picrocleidus is an extinct genus of plesiosaur from the Middle Jurassic Oxford Clay Formation of the United Kingdom.

G. M. Woodward · 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
- PicrocleidusPBDB
- Diet
- carnivorePBDB, for Plesiosauria
- Life habit
- aquatic, depth=surfacePBDB, for Plesiosauria
- Motility
- actively mobilePBDB, for Plesiosauria
- Environment
- marinePBDB, for Plesiosauria
Time the record covers
At most 3.8 million years on record.
The one occurrence read is dated to somewhere between 165.3 Mya and 161.5 Mya, which is a dating window rather than a span.
1 occurrence of Picrocleidus beloclis on record, most of them in the Middle Jurassic. 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
1 occurrences- Middle Jurassic100%
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
1 formation
- Oxford Clay Formation · Ancholme Group1
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The named rock units Picrocleidus beloclis has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Picrocleidus beloclis and its relatives
Middle JurassicWhere Picrocleidus beloclis and its relatives were recorded in the Middle Jurassic.
Found in the same rock
29 taxa- Camptosauridae1 site
- Charitomenosuchus leedsi1 site
- Cryptoclidus eurymerus1 site
- Dakosaurus1 site
- Gracilineustes leedsi1 site
- Lemmysuchus obtusidens1 site
- Lepidotus latifrons1 site
- Lepidotus leedsi1 site
- Lepidotus macrocheirus1 site
- Liopleurodon ferox1 site
- Machimosaurus hugii1 site
- Metriorhynchus brachyrhynchus1 site
- Metriorhynchus moreli1 site
- Muraenosaurus leedsii1 site
- Mycterosuchus nasutus1 site
- Neosteneosaurus edwardsi1 site
- Ophthalmosaurus icenicus1 site
- Peloneustes philarchus1 site
- Pliosauridae1 site
- Pliosaurus andrewsi1 site
- Rhamphorhynchidae1 site
- Simolestes vorax1 site
- Steneosaurus durobrivensis1 site
- Steneosaurus heberti1 site
The Paleobiology Database records 1 site for Picrocleidus beloclis, 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
1 referenceEach of the 1 occurrence 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. Each entry links to the Paleobiology Database's own record for the work.
Media and terms
Media content1
Picture of Picrocleidus beloclis
- Source
- Wikipedia/Commons
- Credit
- G. M. Woodward
- Licence
- Public Domain
- Commercial use
- the licence allows it
No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.
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 itPicrocleidus through timeFormations of the Middle JurassicThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Seeley 1892)