Hemicystites

No picture of Hemicystites 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 Hemicystites, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
HemicystitidaePBDB
Diet
suspension feederPBDB, for Edrioasteroidea
Life habit
low-level epifaunalPBDB, for Edrioasteroidea
Motility
stationary, attached, epibiontPBDB, for Edrioasteroidea
Vision
limitedPBDB, for Edrioasteroidea
Environment
marinePBDB, for Echinodermata

Time the record covers

At least 35 million years on record.

The record covers at least 468 Mya to 432.9 Mya. No occurrence read is dated outside 477.1 Mya to 426.7 Mya.

Ordovician — about 24 of 28 occurrencesOrdovicianSilurian — about 4 of 28 occurrencesSilurian478–476 Mya — about 0.1 occurrences476–475 Mya — about 0.2 occurrences475–473 Mya — about 0.2 occurrences473–471 Mya — about 0.2 occurrences471–469 Mya — about 0.2 occurrences469–468 Mya — about 0.2 occurrences464–462 Mya — about 0.3 occurrences462–461 Mya — about 0.6 occurrences461–459 Mya — about 0.7 occurrences459–457 Mya — about 1 occurrence457–455 Mya — about 3 occurrences455–454 Mya — about 3 occurrences454–452 Mya — about 4 occurrences452–450 Mya — about 4 occurrences450–448 Mya — about 2 occurrences448–447 Mya — about 1 occurrence447–445 Mya — about 1 occurrence445–443 Mya — about 1 occurrence443–441 Mya — about 0.0 occurrences434–433 Mya — about 0.1 occurrences433–431 Mya — about 1 occurrence431–429 Mya — about 1 occurrence429–427 Mya — about 1 occurrence427–426 Mya — about 0.5 occurrences468 Mya432.9 Mya478 Mya426 Mya

28 occurrences of Hemicystites on record, most of them in the Ordovician. 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

28 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

17 formations

Rochester Shale — 43.10°N, 79.06°WRochester Shale — 43.17°N, 78.68°WIon — 42.00°N, 90.50°WDunleith — 42.00°N, 90.50°WDunleith — 43.49°N, 91.87°WLetna — 50.00°N, 14.00°EZahorany — 50.00°N, 14.00°EDecorah Shale — 44.00°N, 92.00°WSpechts Ferry — 42.00°N, 90.50°WGuttenberg — 42.00°N, 90.50°WWaynesville — 39.00°N, 84.00°WLiberty — 39.00°N, 84.00°WWhitewater — 39.00°N, 84.00°WCummingsville — 44.00°N, 92.00°WQuimbys Mill — 42.00°N, 90.50°WUpper Fezouata — 30.42°N, 5.85°WLower Ktaoua — 30.00°N, 8.50°WBobcaygeon — 44.53°N, 78.55°WRochester Shale — 43.03°N, 79.28°W

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

Hemicystites and its relatives

Ordovician

Where Hemicystites and its relatives were recorded in the Ordovician.

Found in the same rock

587 taxa

The Paleobiology Database records 21 sites for Hemicystites, 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

9 references

Each of the 28 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 Hemicystites 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 Hemicystites, or no answer at all. This entry cannot say which.

No 3D scan of Hemicystites 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 itHemicystitidae through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Hall 1852