Helcionella antiqua

No picture of Helcionella antiqua was found. Wikidata and iDigBio were searched and had none. Wikipedia and 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 Helcionella antiqua, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
HelcionellaPBDB
Diet
detritivorePBDB, for Helcionellidae
Life habit
low-level epifaunalPBDB, for Helcionellidae
Motility
slow-movingPBDB, for Helcionellidae
Vision
limitedPBDB, for Helcionelloida
Environment
marinePBDB, for Helcionelloida

Time the record covers

At least 13 million years on record.

The record covers at least 525.5 Mya to 512.1 Mya. No occurrence read is dated outside 538.8 Mya to 508.2 Mya.

Cambrian — about 20 of 20 occurrencesCambrian539–538 Mya — about 0.3 occurrences538–537 Mya — about 0.7 occurrences537–536 Mya — about 0.7 occurrences536–535 Mya — about 0.7 occurrences535–534 Mya — about 0.7 occurrences534–533 Mya — about 0.7 occurrences533–532 Mya — about 0.7 occurrences532–531 Mya — about 0.7 occurrences531–530 Mya — about 1 occurrence530–529 Mya — about 1 occurrence529–528 Mya — about 1 occurrence528–527 Mya — about 1 occurrence527–526 Mya — about 1 occurrence526–525 Mya — about 2 occurrences525–524 Mya — about 2 occurrences524–522 Mya — about 2 occurrences522–521 Mya — about 2 occurrences521–520 Mya — about 0.7 occurrences513–512 Mya — about 0.1 occurrences512–511 Mya — about 0.3 occurrences511–510 Mya — about 0.3 occurrences510–509 Mya — about 0.3 occurrences509–508 Mya — about 0.1 occurrences525.5 Mya512.1 Mya539.4 Mya507.6 Mya

20 occurrences of Helcionella antiqua on record, most of them in the Cambrian. 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

20 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

9 formations

Yanjiahe — 30.73°N, 111.08°EYanjiahe — 30.78°N, 111.35°EUst-Yudoma — 57.35°N, 131.20°EUst-Yudoma — 57.67°N, 131.83°EPestrotsvet — 57.67°N, 131.83°EPestrotsvet — 57.40°N, 132.73°EMedvezhya — 71.33°N, 99.50°EManykay — 70.67°N, 103.00°EManykay — 70.72°N, 112.76°ESukharikha — 67.82°N, 86.52°EMedvezhin — 70.50°N, 103.40°ERingstrand — 60.95°N, 10.78°EEmyaksin — 70.72°N, 112.76°E

Loading coastlines…

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

Helcionella antiqua and its relatives

Cambrian

Where Helcionella antiqua and its relatives were recorded in the Cambrian.

Found in the same rock

122 taxa

The Paleobiology Database records 15 sites for Helcionella antiqua, 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

7 references

Each of the 20 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 Helcionella antiqua was found. Wikidata and iDigBio were searched and had none.

Wikipedia and 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 Helcionella antiqua, or no answer at all. This entry cannot say which.

No 3D scan of Helcionella antiqua 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.

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itHelcionella through timeFormations of the CambrianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Kiær 1916)