Helcionellidae

No picture of Helcionellidae was found. Wikidata and iDigBio were searched and had none. Wikipedia has a picture filed under this name, but nothing tied it to Helcionellidae itself, so it was not used. 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 Helcionellidae, or no answer at all. This entry cannot say which.

On record

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

Time the record covers

At least 49 million years on record.

The record covers at least 530.7 Mya to 481.1 Mya. No occurrence read is dated outside 538.8 Mya to 477.1 Mya.

Cambrian — about 1084 of 1087 occurrencesCambrianOrdovician — about 3 of 1087 occurrencesOrdovician540–538 Mya — about 8 occurrences538–536 Mya — about 19 occurrences536–534 Mya — about 19 occurrences534–531 Mya — about 19 occurrences531–529 Mya — about 42 occurrences529–527 Mya — about 55 occurrences527–525 Mya — about 75 occurrences525–523 Mya — about 152 occurrences523–521 Mya — about 142 occurrences521–519 Mya — about 54 occurrences519–517 Mya — about 54 occurrences517–514 Mya — about 106 occurrences514–512 Mya — about 119 occurrences512–510 Mya — about 51 occurrences510–508 Mya — about 35 occurrences508–506 Mya — about 37 occurrences506–504 Mya — about 36 occurrences504–502 Mya — about 22 occurrences502–499 Mya — about 20 occurrences499–497 Mya — about 12 occurrences497–495 Mya — about 3 occurrences495–493 Mya — about 1 occurrence493–491 Mya — about 1 occurrence491–489 Mya — about 1 occurrence489–487 Mya — about 1 occurrence487–484 Mya — about 0.5 occurrences484–482 Mya — about 0.6 occurrences482–480 Mya — about 0.8 occurrences480–478 Mya — about 1 occurrence478–476 Mya — about 0.5 occurrences530.7 Mya481.1 Mya540 Mya476 Mya

1,087 occurrences of Helcionellidae 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

1,087 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

125 formations

Zhujiaqing — 25.64°N, 103.07°EZhujiaqing — 26.38°N, 103.07°EZhujiaqing — 27.93°N, 103.56°EZhujiaqing — 24.73°N, 102.57°EZhujiaqing — 24.67°N, 102.65°EZhujiaqing — 26.28°N, 103.22°EZhujiaqing — 24.65°N, 103.13°EZhujiaqing — 25.52°N, 103.07°EZhujiaqing — 26.38°N, 103.21°EPestrotsvet — 58.75°N, 128.00°EPestrotsvet — 58.75°N, 127.00°EPestrotsvet — 60.83°N, 125.33°EPestrotsvet — 57.35°N, 131.20°EPestrotsvet — 57.67°N, 131.83°EPestrotsvet — 57.17°N, 132.00°EPestrotsvet — 60.70°N, 124.72°EPestrotsvet — 60.83°N, 125.40°EPestrotsvet — 66.40°N, 112.28°EPestrotsvet — 71.83°N, 107.00°EPestrotsvet — 71.50°N, 105.00°EPestrotsvet — 57.40°N, 132.73°EDengying — 26.33°N, 103.17°EDengying — 26.42°N, 103.50°EDengying — 25.08°N, 102.98°EDengying — 25.48°N, 103.03°EDengying — 33.00°N, 107.92°EDengying — 32.35°N, 106.82°EDengying — 28.27°N, 103.40°EDengying — 30.73°N, 111.13°EDengying — 30.77°N, 111.12°EDengying — 25.52°N, 103.07°EDengying — 24.72°N, 102.56°EParara — 34.73°S, 137.63°EParara — 34.70°S, 137.71°EParara — 34.80°S, 137.69°EParara Limestone — 34.92°S, 137.80°EAjax Limestone — 30.59°S, 138.33°EMernmerna — 31.19°S, 138.87°EMernmerna — 31.41°S, 138.43°EMernmerna — 31.41°S, 138.56°EMernmerna — 30.81°S, 140.69°EMernmerna — 31.55°S, 140.79°EMernmerna — 30.79°S, 139.14°EBastion — 74.10°N, 23.00°WBastion — 74.35°N, 22.77°WBastion — 73.52°N, 24.68°WBastion — 72.85°N, 25.03°WJbel Wawrmast — 30.67°N, 8.17°EJbel Wawrmast — 30.67°N, 8.17°WJbel Wawrmast — 32.00°N, 6.00°WJbel Wawrmast — 30.58°N, 7.20°WJbel Wawrmast — 31.21°N, 7.88°WJbel Wawrmast — 31.08°N, 8.13°WJbel Wawrmast — 31.52°N, 5.02°WJbel Wawrmast — 31.37°N, 5.02°WHuangshandong — 30.70°N, 111.28°EHuangshandong — 30.83°N, 111.17°EMedvezhyn — 71.00°N, 102.00°EMedvezhyn — 70.64°N, 103.43°EMedvezhyn — 70.62°N, 103.53°EMedvezhyn — 71.50°N, 102.50°EHenson Gletscher — 82.15°N, 42.42°WHenson Gletscher — 82.16°N, 42.45°WHenson Gletscher — 82.50°N, 36.33°WHenson Gletscher — 82.17°N, 40.40°WHenson Gletscher — 82.30°N, 37.05°WMedvezhin — 70.50°N, 103.40°EMedvezhin — 70.67°N, 103.00°ETindall Limestone — 13.33°S, 130.63°ETindall Limestone — 13.50°S, 131.07°ETindall Limestone — 13.88°S, 131.15°ETindall Limestone — 13.82°S, 131.35°ETindall Limestone — 14.25°S, 131.38°ETindall Limestone — 14.50°S, 132.17°ETindall Limestone — 13.68°S, 131.33°ETindall Limestone — 13.78°S, 131.32°ETindall Limestone — 13.97°S, 131.02°ETindall Limestone — 13.80°S, 131.00°ETindall Limestone — 13.92°S, 130.42°EEmyaksin — 62.00°N, 129.67°EEmyaksin — 70.72°N, 112.88°EEmyaksin — 70.72°N, 112.76°EBrowns Pond — 42.22°N, 73.73°WZhujianqing — 24.73°N, 102.57°EXinji — 33.27°N, 112.98°EXinji — 34.53°N, 110.87°EXinji — 33.38°N, 113.43°EXinji — 34.90°N, 106.85°EYanjiahe — 30.73°N, 111.08°EYanjiahe — 30.73°N, 111.03°EYanjiahe — 30.78°N, 111.35°EMedvezhya — 71.33°N, 99.50°EMedvezhya — 70.14°N, 114.00°EUst-Yudoma — 57.35°N, 131.20°EUst-Yudoma — 57.67°N, 131.83°EUst-Yudoma — 57.17°N, 132.00°EChapel Island — 46.92°N, 56.00°WChapel Island — 47.00°N, 56.00°WChapel Island — 47.07°N, 55.87°WPedroche — 37.88°N, 4.77°WKuanchuanpu — 32.50°N, 106.92°EKuanchuanpu — 32.97°N, 106.25°E

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The named rock units Helcionellidae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 101 further formations hold fewer occurrences each and are not listed. 17 occurrences have no formation on record, which is common for older literature.

Helcionellidae and its relatives

Cambrian

Where Helcionellidae and its relatives were recorded in the Cambrian.

Found in the same rock

1,128 taxa

The Paleobiology Database records 484 sites for Helcionellidae, 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

159 references

Each of the 1,087 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. 147 further references are not listed. 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 Helcionellidae was found. Wikidata and iDigBio were searched and had none.

Wikipedia has a picture filed under this name, but nothing tied it to Helcionellidae itself, so it was not used.

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 Helcionellidae, or no answer at all. This entry cannot say which.

No 3D scan of Helcionellidae 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 itHelcionellida through timeFormations of the CambrianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Wenz 1938)