Amphora

Amphora is a major genus of marine and freshwater diatoms. With over 1000 species, it is one of the largest genera of diatoms. These diatoms are recognized by their strongly dorsiventral frustules, which means that their ridges lie close to the ventral margin of the valve, and their girdle is much wider on the dorsal side.

Amphora

Uncredited · Public Domain · 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
CatenulaceaePBDB
Diet
"photoautotroph"PBDB, for Bacillariophyceae
Environment
marine,brackish,freshwaterPBDB, for Bacillariophyceae

Time the record covers

At least 11 million years on record.

The record covers at least 11.63 Mya to 11.7 ka. No occurrence read is dated outside 13.82 Mya to 0 Mya.

Miocene — about 1 of 13 occurrencesMiocenePliocene — about 1 of 13 occurrencesPliocenePleistocene — about 10 of 13 occurrencesPleistocene14–13 Mya — about 0.2 occurrences13–13 Mya — about 0.2 occurrences13–12 Mya — about 0.2 occurrences12–12 Mya — about 0.2 occurrences12–11 Mya — about 0.1 occurrences5.7–5.3 Mya — about 0.0 occurrences5.3–4.8 Mya — about 0.2 occurrences4.8–4.3 Mya — about 0.2 occurrences4.3–3.8 Mya — about 0.2 occurrences3.8–3.3 Mya — about 0.2 occurrences3.3–2.9 Mya — about 0.2 occurrences2.9–2.4 Mya — about 0.4 occurrences2.4–1.9 Mya — about 1 occurrence1.9–1.4 Mya — about 0.7 occurrences1.4–955 ka Mya — about 0.8 occurrences955 ka–477 ka Mya — about 0.5 occurrences477 ka–0 Mya — about 7 occurrences11.63 Mya11.7 ka14.3 Mya0 Mya

13 occurrences of Amphora on record, most of them in the Pleistocene. 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

13 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

Kelseyville — 38.95°N, 122.85°WKelseyville — 38.94°N, 122.87°WChoptank — 38.44°N, 76.44°W

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The named rock units Amphora 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.

Amphora and its relatives

Pleistocene

Where Amphora and its relatives were recorded in the Pleistocene.

Found in the same rock

136 taxa

The Paleobiology Database records 11 sites for Amphora, 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

8 references

Each of the 13 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 content2

Picture of Amphora

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

3D model

Source
Sketchfab
Licence
CC0 Public Domain
Commercial use
the licence allows it

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 itCatenulaceae through timeFormations of the PleistoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Kützing 1844