Stromatoveris psygmoglena

Stromatoveris psygmoglena is a genus of fossil organism from the Chengjiang deposits of Yunnan that was originally aligned with the fossil Charnia from the Ediacara biota. However, such an affinity was thought to be developmentally implausible and so S. psygmoglena was thought to be either a sessile basal ctenophore, or a sessile organism closely related to ctenophores instead. Nevertheless, a 2018 phylogenetic analysis by Jennifer Hoyal Cuthill and Jian Han indicated that Stromatoveris was a member of Animalia and closely related to ediacaran frond-like lifeforms.

Stromatoveris psygmoglena

Apokryltaros · CC BY-SA 3.0 · 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
StromatoverisPBDB

Time the record covers

At most 5 million years on record.

Every occurrence read is dated to somewhere between 521 Mya and 516 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Cambrian — about 2 of 2 occurrencesCambrian521–521 Mya — about 0.0 occurrences521–521 Mya — about 0.1 occurrences521–521 Mya — about 0.1 occurrences521–520 Mya — about 0.1 occurrences520–520 Mya — about 0.1 occurrences520–520 Mya — about 0.1 occurrences520–520 Mya — about 0.1 occurrences520–520 Mya — about 0.1 occurrences520–519 Mya — about 0.1 occurrences519–519 Mya — about 0.1 occurrences519–519 Mya — about 0.1 occurrences519–519 Mya — about 0.1 occurrences519–519 Mya — about 0.1 occurrences519–518 Mya — about 0.1 occurrences518–518 Mya — about 0.1 occurrences518–518 Mya — about 0.1 occurrences518–518 Mya — about 0.1 occurrences518–518 Mya — about 0.1 occurrences518–517 Mya — about 0.1 occurrences517–517 Mya — about 0.1 occurrences517–517 Mya — about 0.1 occurrences517–517 Mya — about 0.1 occurrences517–517 Mya — about 0.1 occurrences517–516 Mya — about 0.1 occurrences516–516 Mya — about 0.1 occurrences516–516 Mya — about 0.0 occurrences521.5 Mya515.5 Mya

2 occurrences of Stromatoveris psygmoglena 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

2 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

2 formations

Yuanshan — 24.81°N, 102.58°EHeilinpu — 24.68°N, 102.58°E

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

Stromatoveris psygmoglena and its relatives

Cambrian

Where Stromatoveris psygmoglena and its relatives were recorded in the Cambrian.

Found in the same rock

3 taxa

The Paleobiology Database records 2 sites for Stromatoveris psygmoglena, and this reads all of them. The number is how many of those sites it was catalogued from too.

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

1 reference

Each of the 2 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 doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content1

Picture of Stromatoveris psygmoglena

Credit
Apokryltaros
Licence
CC BY-SA 3.0
Commercial use
the licence allows it

No 3D scan of Stromatoveris psygmoglena 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.

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 itStromatoveris through timeFormations of the CambrianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Shu et al. 2006