Hystricurus

Searched as Hystricurus (Guizhouhystricurus) sp.. The Paleobiology Database treats Hystricurus as the accepted name.

Hystricurus

via iDigBio · CC0 · via iDigBio. 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
HystricuridaePBDB
Diet
deposit feederPBDB, for Proetida
Life habit
low-level epifaunalPBDB, for Trilobita
Motility
fast-movingPBDB, for Trilobita
Vision
well-developedPBDB, for Hystricuridae
Environment
marinePBDB, for Trilobita

Time the record covers

At most 1.8 million years on record.

Every occurrence read is dated to somewhere between 474.9 Mya and 473.1 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Ordovician — about 2 of 2 occurrencesOrdovician475–475 Mya — about 0.1 occurrences475–475 Mya — about 0.1 occurrences475–475 Mya — about 0.1 occurrences475–475 Mya — about 0.1 occurrences475–474 Mya — about 0.1 occurrences474–474 Mya — about 0.1 occurrences474–474 Mya — about 0.1 occurrences474–474 Mya — about 0.1 occurrences474–474 Mya — about 0.1 occurrences474–474 Mya — about 0.1 occurrences474–474 Mya — about 0.1 occurrences474–474 Mya — about 0.1 occurrences474–474 Mya — about 0.1 occurrences474–474 Mya — about 0.1 occurrences474–474 Mya — about 0.1 occurrences474–473 Mya — about 0.1 occurrences473–473 Mya — about 0.1 occurrences473–473 Mya — about 0.1 occurrences473–473 Mya — about 0.1 occurrences473–473 Mya — about 0.1 occurrences475.4 Mya472.6 Mya

2 occurrences of Hystricurus on record, most of them in the Ordovician. 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

2 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

1 formation

Emanuel — 18.65°S, 125.92°E

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The named rock units Hystricurus has been recovered from, largest first. Drawn where the rock is now, not where it formed.

Hystricurus and its relatives

Ordovician

Where Hystricurus and its relatives were recorded in the Ordovician.

Found in the same rock

469 taxa

The Paleobiology Database records 133 sites for Hystricurus, 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 reference

Each of the 2 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. Each entry links to doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content1

Picture of Hystricurus

Source
iDigBio
Credit
via iDigBio
Licence
CC0
Commercial use
the licence allows it

No 3D scan of Hystricurus was found in Sketchfab.

Smithsonian Open Access and MorphoSource were not reached for this taxon, so this list is what the others held rather than everything there is.

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

Keep going

What may have been alongside itHystricuridae through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Raymond 1913