Sigmoidella

No picture of Sigmoidella was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Sigmoidella, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
PolymorphininaePBDB
Diet
omnivorePBDB, for Foraminifera
Life habit
semi-infaunalPBDB, for Foraminifera
Motility
stationaryPBDB, for Foraminifera

Time the record covers

At least 5.5 million years on record.

The record covers at least 5.6 Mya to 11.7 ka. No occurrence read is dated outside 23.04 Mya to 0 Mya.

Oligocene — about 0 of 40 occurrencesMiocene — about 6 of 40 occurrencesMiocenePliocene — about 20 of 40 occurrencesPliocenePleistocene — about 13 of 40 occurrencesPleistocene24–23 Mya — about 0.0 occurrences23–22 Mya — about 0.1 occurrences22–21 Mya — about 0.1 occurrences21–20 Mya — about 0.1 occurrences20–20 Mya — about 0.1 occurrences20–19 Mya — about 0.1 occurrences19–18 Mya — about 0.1 occurrences18–17 Mya — about 0.1 occurrences17–16 Mya — about 0.1 occurrences16–16 Mya — about 0.1 occurrences16–15 Mya — about 0.1 occurrences15–14 Mya — about 0.1 occurrences14–13 Mya — about 0.1 occurrences13–13 Mya — about 0.1 occurrences13–12 Mya — about 0.1 occurrences12–11 Mya — about 0.1 occurrences11–10 Mya — about 0.1 occurrences10–9.4 Mya — about 0.1 occurrences9.4–8.6 Mya — about 0.1 occurrences8.6–7.8 Mya — about 0.7 occurrences7.8–7.1 Mya — about 1 occurrence7.1–6.3 Mya — about 1 occurrence6.3–5.5 Mya — about 1 occurrence5.5–4.7 Mya — about 3 occurrences4.7–3.9 Mya — about 5 occurrences3.9–3.1 Mya — about 8 occurrences3.1–2.4 Mya — about 6 occurrences2.4–1.6 Mya — about 2 occurrences1.6–785 ka Mya — about 4 occurrences785 ka–0 Mya — about 5 occurrences5.6 Mya11.7 ka23.5 Mya0 Mya

40 occurrences of Sigmoidella 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

40 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

Cholan — 24.58°N, 121.00°E

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The named rock units Sigmoidella has been recovered from, largest first. Drawn where the rock is now, not where it formed. 39 occurrences have no formation on record, which is common for older literature.

Sigmoidella and its relatives

Pliocene

Where Sigmoidella and its relatives were recorded in the Pliocene.

Found in the same rock

153 taxa

The Paleobiology Database records 39 sites for Sigmoidella, 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 40 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 content0

No picture of Sigmoidella was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none.

GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Sigmoidella, or no answer at all. This entry cannot say which.

No 3D scan of Sigmoidella was found in Smithsonian Open Access and Sketchfab.

MorphoSource was 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 itPolymorphininae through timeFormations of the PlioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Cushman and Ozawa 1928