Cyclonema

Cyclonema

via iDigBio · CC0 · via iDigBio. 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
PlatyceratidaePBDB
Diet
coprophage, deposit feederPBDB
Life habit
epifaunalPBDB
Motility
facultatively mobile, epibiontPBDB
Vision
limitedPBDB, for Gastropoda
Environment
marinePBDB, for Platyceratidae

Time the record covers

At least 290 million years on record.

The record covers at least 458.2 Mya to 168.2 Mya. No occurrence read is dated outside 471.3 Mya to 161.5 Mya.

Ordovician — about 269 of 364 occurrencesOrdovicianSilurian — about 86 of 364 occurrencesDevonian — about 6 of 364 occurrencesDevonianCarboniferous — about 1 of 364 occurrencesCarboniferousPermian — about 1 of 364 occurrencesPermianEarly Triassic — about 0 of 364 occurrencesMiddle Triassic — about 0 of 364 occurrencesLate Triassic — about 0 of 364 occurrencesEarly Jurassic — about 0 of 364 occurrencesMiddle Jurassic — about 1 of 364 occurrencesLate Jurassic — about 0 of 364 occurrences477–467 Mya — about 1 occurrence467–456 Mya — about 25 occurrences456–445 Mya — about 233 occurrences445–435 Mya — about 49 occurrences435–424 Mya — about 37 occurrences424–413 Mya — about 9 occurrences413–402 Mya — about 2 occurrences402–392 Mya — about 0.5 occurrences392–381 Mya — about 3 occurrences381–370 Mya — about 0.2 occurrences370–359 Mya — about 0.2 occurrences359–349 Mya — about 0.3 occurrences349–338 Mya — about 0.3 occurrences338–327 Mya — about 0.3 occurrences327–316 Mya — about 0.1 occurrences295–284 Mya — about 0.4 occurrences284–273 Mya — about 0.6 occurrences177–166 Mya — about 0.3 occurrences166–155 Mya — about 0.7 occurrences458.2 Mya168.2 Mya477 Mya155 Mya

364 occurrences of Cyclonema 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

364 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

136 formations

Waynesville — 39.00°N, 84.00°WWaynesville — 39.34°N, 84.95°WWaynesville — 39.48°N, 84.06°WWaynesville — 39.33°N, 84.07°WWaynesville — 38.77°N, 85.36°WWaynesville — 39.57°N, 84.03°WLexington Limestone — 38.00°N, 84.67°WLexington Limestone — 38.23°N, 84.85°WLexington Limestone — 37.97°N, 84.21°WLexington Limestone — 37.90°N, 84.27°WLexington Limestone — 38.35°N, 84.86°WSunset — 39.43°N, 84.60°WSunset — 39.33°N, 84.07°WSunset — 38.50°N, 83.76°WSunset — 39.34°N, 84.39°WSunset — 39.37°N, 84.39°WSunset — 39.54°N, 84.34°WSunset — 39.41°N, 84.50°WSunset — 39.03°N, 83.85°WKopanina — 49.96°N, 14.18°EKopanina — 50.05°N, 14.37°EKopanina — 50.67°N, 15.17°EKopanina — 50.00°N, 14.33°EKopanina — 49.93°N, 14.05°EKopanina — 49.94°N, 14.19°EKopanina — 49.96°N, 14.10°EDunleith — 42.02°N, 93.45°WDunleith — 42.00°N, 90.50°WOregonia — 39.34°N, 84.95°WOregonia — 39.48°N, 84.07°WOregonia — 39.54°N, 84.34°WOregonia — 39.13°N, 84.60°WOregonia — 39.33°N, 84.07°WOregonia — 38.58°N, 83.70°WOregonia — 39.03°N, 83.85°WFairview — 39.00°N, 84.00°WFairview — 39.01°N, 84.45°WFairview — 39.03°N, 84.51°WFairview — 38.68°N, 83.79°WMount Auburn — 39.00°N, 84.00°WMount Auburn — 39.43°N, 84.60°WMount Auburn — 38.87°N, 83.91°WMount Auburn — 39.33°N, 84.07°WMount Auburn — 39.41°N, 84.50°WCatheys — 36.35°N, 85.79°WCatheys — 35.62°N, 87.10°WCatheys — 35.50°N, 86.50°WCatheys — 36.45°N, 85.58°WCatheys — 36.37°N, 85.64°WCorryville — 39.00°N, 84.00°WCorryville — 39.17°N, 84.12°WCorryville — 39.30°N, 84.40°WWaynesville — 45.75°N, 81.60°WWaynesville — 44.59°N, 80.56°WWaynesville — 44.71°N, 80.64°WWaynesville — 43.59°N, 79.72°WWaynesville — 45.50°N, 75.00°WWaynesville — 43.47°N, 79.69°WWaynesville — 45.79°N, 72.86°WWaynesville — 45.97°N, 81.93°WArnheim — 36.30°N, 86.65°WArnheim — 39.00°N, 84.00°WArnheim — 35.50°N, 86.50°WArnheim — 35.38°N, 88.00°WClays Ferry — 38.31°N, 84.85°WClays Ferry — 37.88°N, 84.34°WClays Ferry — 37.65°N, 85.07°WSauquoit — 43.21°N, 75.46°WSauquoit — 43.13°N, 75.59°WSauquoit — 43.03°N, 75.28°WBrassfield — 38.79°N, 83.55°WBrassfield — 39.34°N, 85.48°WBrassfield — 39.34°N, 84.12°WLeipers — 36.35°N, 86.72°WLeipers — 36.32°N, 85.94°WLeipers — 35.50°N, 86.50°WSt. Peter Sandstone — 44.90°N, 93.03°WSt. Peter Sandstone — 46.00°N, 94.00°WSt. Peter Sandstone — 42.00°N, 90.50°WIon — 42.00°N, 90.50°WHopkinton — 43.00°N, 91.00°WHopkinton — 42.17°N, 90.58°WVerulam — 44.45°N, 78.70°WVerulam — 44.43°N, 78.78°WVerulam — 44.50°N, 78.97°WVerulam — 44.48°N, 78.95°WKangaroo Creek — 41.36°N, 122.69°WBull Fork — 38.40°N, 83.72°WMaquoketa — 42.01°N, 91.64°WMaquoketa — 42.94°N, 91.71°WMaquoketa — 43.28°N, 91.37°WSequatchie — 36.37°N, 86.75°WSequatchie — 36.30°N, 86.65°W

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The named rock units Cyclonema has been recovered from, largest first. Drawn where the rock is now, not where it formed. 112 further formations hold fewer occurrences each and are not listed. 16 occurrences have no formation on record, which is common for older literature.

Cyclonema and its relatives

Ordovician

Where Cyclonema and its relatives were recorded in the Ordovician.

Found in the same rock

1,822 taxa

The Paleobiology Database records 330 sites for Cyclonema, and this reads 240 of them. Of that, one read hit the database's own return limit, so every count below is a floor rather than a total. 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

91 references

Each of the 364 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. 79 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 content1

Picture of Cyclonema

Source
iDigBio
Credit
via iDigBio
Licence
CC0
Commercial use
the licence allows it

No 3D scan of Cyclonema 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 itPlatyceratidae through timeFormations of the OrdovicianThe world it lived on

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