Acanthomeridion

Searched as Acanthomeridion sp.. The Paleobiology Database treats Acanthomeridion as the accepted name.

Acanthomeridion

Uncredited · via Wikidata/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
BradoriidaPBDB
Diet
deposit feederPBDB
Life habit
epifaunalPBDB
Motility
actively mobilePBDB
Vision
blindPBDB, for Bradoriida

Time the record covers

At most 6.5 million years on record.

Every occurrence read is dated to somewhere between 521 Mya and 514.5 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Cambrian — about 13 of 13 occurrencesCambrian521–521 Mya — about 0.6 occurrences521–521 Mya — about 0.6 occurrences521–520 Mya — about 0.6 occurrences520–520 Mya — about 0.6 occurrences520–520 Mya — about 0.6 occurrences520–520 Mya — about 0.6 occurrences520–519 Mya — about 0.6 occurrences519–519 Mya — about 0.6 occurrences519–519 Mya — about 0.6 occurrences519–519 Mya — about 0.6 occurrences519–518 Mya — about 0.6 occurrences518–518 Mya — about 0.6 occurrences518–518 Mya — about 0.6 occurrences518–518 Mya — about 0.6 occurrences518–517 Mya — about 0.6 occurrences517–517 Mya — about 0.6 occurrences517–517 Mya — about 0.6 occurrences517–517 Mya — about 0.6 occurrences517–516 Mya — about 0.6 occurrences516–516 Mya — about 0.6 occurrences516–516 Mya — about 0.1 occurrences516–516 Mya — about 0.1 occurrences516–515 Mya — about 0.1 occurrences515–515 Mya — about 0.1 occurrences515–515 Mya — about 0.1 occurrences515–515 Mya — about 0.1 occurrences521.5 Mya514 Mya

13 occurrences of Acanthomeridion 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

13 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

3 formations

Yuanshan — 24.81°N, 102.58°EYuanshan — 24.84°N, 102.41°EQiongzhusi — 24.65°N, 102.97°EYu'anshan — 24.77°N, 102.58°E

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

Acanthomeridion and its relatives

Cambrian

Where Acanthomeridion and its relatives were recorded in the Cambrian.

Found in the same rock

215 taxa

The Paleobiology Database records 10 sites for Acanthomeridion, 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

7 references

Each of the 13 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 Acanthomeridion

Credit
nobody named on the record
Licence
not stated by the source
Commercial use
cannot be read from the licence given — check the record

No 3D scan of Acanthomeridion was found in Smithsonian Open Access and Sketchfab.

MorphoSource 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 itBradoriida through timeFormations of the CambrianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Hou et al. 1989