Cocconeis

Cocconeis is a genus of diatoms. Members of the genus are elliptically shaped diatoms.

Cocconeis

Picturepest · CC BY 2.0 · 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
CocconeidaceaePBDB
Diet
"photoautotroph"PBDB, for Bacillariophyceae
Environment
marine,brackish,freshwaterPBDB, for Bacillariophyceae

Time the record covers

At least 27 million years on record.

The record covers at least 27.3 Mya to 11.7 ka. No occurrence read is dated outside 33.9 Mya to 0 Mya.

Eocene — about 0 of 409 occurrencesOligocene — about 2 of 409 occurrencesOligoceneMiocene — about 48 of 409 occurrencesMiocenePliocene — about 78 of 409 occurrencesPleistocene — about 270 of 409 occurrences35–33 Mya — about 0.1 occurrences33–32 Mya — about 0.3 occurrences32–31 Mya — about 0.3 occurrences31–30 Mya — about 0.3 occurrences30–29 Mya — about 0.3 occurrences29–28 Mya — about 0.3 occurrences28–27 Mya — about 0.1 occurrences23–22 Mya — about 1 occurrence22–21 Mya — about 1 occurrence21–20 Mya — about 1 occurrence20–18 Mya — about 1 occurrence18–17 Mya — about 1 occurrence17–16 Mya — about 1 occurrence16–15 Mya — about 3 occurrences15–14 Mya — about 4 occurrences14–13 Mya — about 4 occurrences13–12 Mya — about 4 occurrences12–10 Mya — about 4 occurrences10–9.2 Mya — about 4 occurrences9.2–8.1 Mya — about 4 occurrences8.1–6.9 Mya — about 5 occurrences6.9–5.8 Mya — about 6 occurrences5.8–4.6 Mya — about 21 occurrences4.6–3.5 Mya — about 31 occurrences3.5–2.3 Mya — about 48 occurrences2.3–1.2 Mya — about 133 occurrences1.2–0 Mya — about 129 occurrences27.3 Mya11.7 ka34.6 Mya0 Mya

409 occurrences of Cocconeis on record, most of them in the Pleistocene. 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

409 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

7 formations

Embetsu — 44.35°N, 141.73°EKelseyville — 38.92°N, 122.88°WKelseyville — 38.95°N, 122.85°WDaineji — 37.37°N, 141.04°EChoptank — 38.44°N, 76.44°WFormación Coquimbo — 29.08°S, 71.46°WAlturas — 41.49°N, 120.65°WChepotsunai — 44.32°N, 141.67°E

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The named rock units Cocconeis has been recovered from, largest first. Drawn where the rock is now, not where it formed. 391 occurrences have no formation on record, which is common for older literature.

Cocconeis and its relatives

Pleistocene

Where Cocconeis and its relatives were recorded in the Pleistocene.

Found in the same rock

239 taxa

The Paleobiology Database records 363 sites for Cocconeis, and this reads 240 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

44 references

Each of the 409 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. 32 further references are not listed. 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 Cocconeis

Credit
Picturepest
Licence
CC BY 2.0
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 itCocconeidaceae through timeFormations of the PleistoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Ehrenberg 1838