Hystricognatha

Hystricognatha

Uncredited · Public Domain · via Wikidata/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
RodentiaPBDB
Diet
herbivorePBDB, for Rodentia
Life habit
ground dwellingPBDB, for Rodentia
Motility
actively mobilePBDB, for Osteichthyes
Environment
terrestrialPBDB, for Eutheria

Time the record covers

At least 20 million years on record.

The record covers at least 27.3 Mya to 7.246 Mya. No occurrence read is dated outside 33.9 Mya to 5.333 Mya.

Eocene — about 0 of 3 occurrencesOligocene — about 1 of 3 occurrencesOligoceneMiocene — about 2 of 3 occurrencesMiocenePliocene — about 0 of 3 occurrences34–33 Mya — about 0.1 occurrences33–32 Mya — about 0.1 occurrences32–32 Mya — about 0.1 occurrences32–31 Mya — about 0.1 occurrences31–30 Mya — about 0.1 occurrences30–29 Mya — about 0.1 occurrences29–28 Mya — about 0.1 occurrences28–27 Mya — about 0.0 occurrences12–11 Mya — about 0.1 occurrences11–9.7 Mya — about 0.2 occurrences9.7–8.7 Mya — about 0.2 occurrences8.7–7.7 Mya — about 0.2 occurrences7.7–6.7 Mya — about 0.4 occurrences6.7–5.8 Mya — about 0.7 occurrences5.8–4.8 Mya — about 0.3 occurrences27.3 Mya7.246 Mya34.5 Mya4.8 Mya

3 occurrences of Hystricognatha on record, most of them in the Miocene. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. 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

3 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

2 formations

Camacho — 34.67°S, 56.84°WCamacho — 34.57°S, 56.97°WYahuarango — 9.49°S, 72.76°W

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

Hystricognatha and its relatives

Miocene

Where Hystricognatha and its relatives were recorded in the Miocene.

Found in the same rock

15 taxa

The Paleobiology Database records 1 site for Hystricognatha, and this reads all of them. The number is how many of those sites it was catalogued from too.

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

3 references

Each of the 3 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 content1

Picture of Hystricognatha

Credit
nobody named on the record
Licence
Public Domain
Commercial use
the licence allows it

No 3D scan of Hystricognatha 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 itRodentia through timeFormations of the MioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Woods 1976)