Eocystites

Eocystites is a poorly-known genus of Middle Cambrian echinoderm tentatively assigned to the Eocrinoidea. The type specides, E. primaevus, known only from isolated plates from the Acadian Group of rocks near St. John, New Brunswick, is the only valid species. Of the other two proposed species, E. longidactylus has subsequently been assigned to Gogia by way of its junior synonym Eocrinus, while E. languidocianus has been assigned to Vizcainoia as its type species.

Eocystites

Chapter "Eocrinoidea" authored by Georges Ubaghs; photography credit unknown. · CC BY 4.0 · via Wikipedia/Commons. 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
AscocystitidaPBDB
Diet
suspension feederPBDB, for Eocrinoidea
Life habit
epifaunalPBDB, for Eocrinoidea
Motility
stationary, attachedPBDB, for Eocrinoidea
Vision
blindPBDB, for Eocrinoidea
Environment
marinePBDB, for Echinodermata

Time the record covers

At least 5.2 million years on record.

The record covers at least 509.7 Mya to 504.5 Mya. No occurrence read is dated outside 515.3 Mya to 497 Mya.

Cambrian — about 6 of 6 occurrencesCambrian516–515 Mya — about 0.0 occurrences515–515 Mya — about 0.1 occurrences515–514 Mya — about 0.1 occurrences514–513 Mya — about 0.1 occurrences513–513 Mya — about 0.1 occurrences513–512 Mya — about 0.1 occurrences512–511 Mya — about 0.1 occurrences511–511 Mya — about 0.3 occurrences511–510 Mya — about 0.3 occurrences510–509 Mya — about 0.3 occurrences509–509 Mya — about 0.3 occurrences509–508 Mya — about 0.3 occurrences508–507 Mya — about 0.2 occurrences507–507 Mya — about 0.1 occurrences507–506 Mya — about 0.2 occurrences506–506 Mya — about 0.3 occurrences506–505 Mya — about 0.2 occurrences505–504 Mya — about 0.2 occurrences504–504 Mya — about 0.3 occurrences504–503 Mya — about 0.3 occurrences503–502 Mya — about 0.3 occurrences502–502 Mya — about 0.3 occurrences502–501 Mya — about 0.3 occurrences501–500 Mya — about 0.3 occurrences500–500 Mya — about 0.3 occurrences500–499 Mya — about 0.2 occurrences499–498 Mya — about 0.1 occurrences498–498 Mya — about 0.1 occurrences498–497 Mya — about 0.1 occurrences497–497 Mya — about 0.0 occurrences509.7 Mya504.5 Mya515.8 Mya496.5 Mya

6 occurrences of Eocystites 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

6 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

4 formations

Parker Slate — 44.48°N, 73.21°WMurero — 41.67°N, 1.76°WMurero — 41.15°N, 1.48°WRanken Limestone — 19.63°S, 136.92°EFerrals — 43.40°N, 2.63°E

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

Eocystites and its relatives

Cambrian

Where Eocystites and its relatives were recorded in the Cambrian.

Found in the same rock

67 taxa

The Paleobiology Database records 6 sites for Eocystites, 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

6 references

Each of the 6 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 content1

Picture of Eocystites

Credit
Chapter "Eocrinoidea" authored by Georges Ubaghs; photography credit unknown.
Licence
CC BY 4.0
Commercial use
the licence allows it

No 3D scan of Eocystites 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.

The description on this site

Licence
CC BY-SA 4.0

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

Keep going

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

Occurrence data from the Paleobiology Database, CC BY 4.0. Billings 1868