Arthroclema armatum

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

On record

Recorded, not inferred
Sits inside
ArthroclemaPBDB
Diet
suspension feederPBDB, for Stenolaemata
Life habit
epifaunalPBDB, for Bryozoa
Motility
stationary, attachedPBDB, for Stenolaemata
Vision
blindPBDB, for Stenolaemata
Environment
marinePBDB, for Lophophorata

Time the record covers

At least 11 million years on record.

The record covers at least 469.1 Mya to 457.3 Mya. No occurrence read is dated outside 471.3 Mya to 449.5 Mya.

Ordovician — about 7 of 7 occurrencesOrdovician472–471 Mya — about 0.1 occurrences471–470 Mya — about 0.3 occurrences470–470 Mya — about 0.3 occurrences470–469 Mya — about 0.2 occurrences459–458 Mya — about 0.0 occurrences458–457 Mya — about 0.3 occurrences457–457 Mya — about 0.5 occurrences457–456 Mya — about 0.5 occurrences456–455 Mya — about 0.5 occurrences455–454 Mya — about 0.5 occurrences454–454 Mya — about 0.5 occurrences454–453 Mya — about 0.5 occurrences453–452 Mya — about 0.5 occurrences452–451 Mya — about 0.5 occurrences451–451 Mya — about 0.5 occurrences451–450 Mya — about 0.5 occurrences450–449 Mya — about 0.2 occurrences469.1 Mya457.3 Mya471.8 Mya449 Mya

7 occurrences of Arthroclema armatum 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

7 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

1 formation

Prosser — 44.95°N, 93.07°WProsser — 44.50°N, 92.90°W

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The named rock units Arthroclema armatum has been recovered from, largest first. Drawn where the rock is now, not where it formed. 5 occurrences have no formation on record, which is common for older literature.

Arthroclema armatum and its relatives

Ordovician

Where Arthroclema armatum and its relatives were recorded in the Ordovician.

Found in the same rock

31 taxa

The Paleobiology Database records 7 sites for Arthroclema armatum, 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

2 references

Each of the 7 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. Each entry links to the Paleobiology Database's own record for the work.

Media and terms

Media content0

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

No 3D scan of Arthroclema armatum 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 itArthroclema through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Ulrich 1890