Ischnochiton

Ischnochiton is a genus of polyplacophoran mollusc.

Ischnochiton

Hectonichus · CC BY-SA 3.0 · 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
IschnochitoninaePBDB
Diet
grazerPBDB, for Polyplacophora
Life habit
epifaunalPBDB, for Polyplacophora
Motility
facultatively mobile, attachedPBDB, for Polyplacophora
Vision
limitedPBDB, for Polyplacophora
Environment
marine,brackishPBDB, for Polyplacophora

Time the record covers

At least 184 million years on record.

The record covers at least 184.2 Mya to 129 ka. No occurrence read is dated outside 192.9 Mya to 11.7 ka.

Early Jurassic — about 1 of 19 occurrencesEarly JurassicMiddle Jurassic — about 0 of 19 occurrencesLate Jurassic — about 0 of 19 occurrencesEarly Cretaceous — about 0 of 19 occurrencesLate Cretaceous — about 0 of 19 occurrencesPaleocene — about 0 of 19 occurrencesEocene — about 1 of 19 occurrencesEoceneOligocene — about 2 of 19 occurrencesMiocene — about 0 of 19 occurrencesPliocene — about 8 of 19 occurrencesPleistocene — about 7 of 19 occurrences197–190 Mya — about 0.3 occurrences190–184 Mya — about 0.7 occurrences39–33 Mya — about 1 occurrence33–26 Mya — about 2 occurrences6.6–0 Mya — about 15 occurrences184.2 Mya129 ka197 Mya0 Mya

19 occurrences of Ischnochiton on record, most of them in the Pliocene. The Paleobiology Database records this as a living group. 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

19 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

4 formations

Sabbie di Altavilla — 38.03°N, 13.53°ESabbie di Altavilla — 38.05°N, 13.55°ELincoln Creek — 46.96°N, 123.28°WLincoln Creek — 47.66°N, 122.96°WBermont — 27.72°N, 82.43°WPico — 34.42°N, 118.70°W

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The named rock units Ischnochiton has been recovered from, largest first. Drawn where the rock is now, not where it formed. 7 occurrences have no formation on record, which is common for older literature.

Ischnochiton and its relatives

Pliocene

Where Ischnochiton and its relatives were recorded in the Pliocene.

Found in the same rock

481 taxa

The Paleobiology Database records 10 sites for Ischnochiton, 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

9 references

Each of the 19 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 Ischnochiton

Credit
Hectonichus
Licence
CC BY-SA 3.0
Commercial use
the licence allows it

No 3D scan of Ischnochiton 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.

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 itIschnochitoninae through timeFormations of the PlioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Gray 1847