Sievertsella polonica

No picture of Sievertsella polonica was found. Wikipedia, Wikidata and iDigBio were searched and had none. Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Sievertsella polonica, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
SievertsellaPBDB
Diet
suspension feederPBDB, for Comatulida
Life habit
intermediate-level epifaunalPBDB, for Comatulida
Motility
facultatively mobile, attachedPBDB, for Comatulida
Vision
blindPBDB, for Crinoidea
Environment
marinePBDB, for Comatulida

Time the record covers

At most 7.1 million years on record.

The one occurrence read is dated to somewhere between 23.04 Mya and 15.98 Mya, which is a dating window rather than a span.

Oligocene — about 0 of 1 occurrenceMiocene — about 1 of 1 occurrenceMiocene23–23 Mya — about 0.0 occurrences23–23 Mya — about 0.0 occurrences23–22 Mya — about 0.0 occurrences22–22 Mya — about 0.0 occurrences22–22 Mya — about 0.0 occurrences22–22 Mya — about 0.0 occurrences22–21 Mya — about 0.0 occurrences21–21 Mya — about 0.0 occurrences21–21 Mya — about 0.0 occurrences21–21 Mya — about 0.0 occurrences21–20 Mya — about 0.0 occurrences20–20 Mya — about 0.0 occurrences20–20 Mya — about 0.0 occurrences20–20 Mya — about 0.0 occurrences20–19 Mya — about 0.0 occurrences19–19 Mya — about 0.0 occurrences19–19 Mya — about 0.0 occurrences19–18 Mya — about 0.0 occurrences18–18 Mya — about 0.0 occurrences18–18 Mya — about 0.0 occurrences18–18 Mya — about 0.0 occurrences18–17 Mya — about 0.0 occurrences17–17 Mya — about 0.0 occurrences17–17 Mya — about 0.0 occurrences17–17 Mya — about 0.0 occurrences17–16 Mya — about 0.0 occurrences16–16 Mya — about 0.0 occurrences16–16 Mya — about 0.0 occurrences23.5 Mya15.5 Mya

1 occurrence of Sievertsella polonica on record, most of them in the Miocene. 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

1 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

Pirabas — 1.05°S, 46.77°W

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

Sievertsella polonica and its relatives

Miocene

Where Sievertsella polonica and its relatives were recorded in the Miocene.

Found in the same rock

13 taxa

The Paleobiology Database records 1 site for Sievertsella polonica, 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

1 reference

Each of the 1 occurrence 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. Each entry links to doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content0

No picture of Sievertsella polonica was found. Wikipedia, Wikidata and iDigBio were searched and had none.

Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.

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

No 3D scan of Sievertsella polonica was found in MorphoSource and Sketchfab.

Smithsonian Open Access 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 itSievertsella through timeFormations of the MioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Radwańska 1987)