Ptychagnostus affinis

No picture of Ptychagnostus affinis was found. Wikidata and iDigBio were searched and had none. Wikipedia and 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 Ptychagnostus affinis, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
PtychagnostusPBDB
Diet
suspension feederPBDB, for Ptychagnostus
Life habit
nektonicPBDB, for Ptychagnostus
Motility
actively mobilePBDB, for Ptychagnostus
Vision
blindPBDB, for Ptychagnostidae

Time the record covers

At least 1.5 million years on record.

The record covers at least 504.5 Mya to 503 Mya. No occurrence read is dated outside 506.5 Mya to 497 Mya.

Cambrian — about 14 of 14 occurrencesCambrian507–506 Mya — about 0.3 occurrences506–506 Mya — about 0.6 occurrences506–506 Mya — about 0.6 occurrences506–505 Mya — about 0.6 occurrences505–505 Mya — about 1 occurrence505–505 Mya — about 1 occurrence505–504 Mya — about 1.0 occurrences504–504 Mya — about 0.9 occurrences504–504 Mya — about 0.9 occurrences504–503 Mya — about 0.9 occurrences503–503 Mya — about 0.7 occurrences503–502 Mya — about 0.6 occurrences502–502 Mya — about 0.6 occurrences502–502 Mya — about 0.6 occurrences502–501 Mya — about 0.6 occurrences501–501 Mya — about 0.6 occurrences501–501 Mya — about 0.6 occurrences501–500 Mya — about 0.4 occurrences500–500 Mya — about 0.2 occurrences500–500 Mya — about 0.2 occurrences500–499 Mya — about 0.1 occurrences499–499 Mya — about 0.1 occurrences499–499 Mya — about 0.1 occurrences499–498 Mya — about 0.1 occurrences498–498 Mya — about 0.1 occurrences498–498 Mya — about 0.1 occurrences498–497 Mya — about 0.1 occurrences497–497 Mya — about 0.0 occurrences504.5 Mya503 Mya507 Mya496.5 Mya

14 occurrences of Ptychagnostus affinis 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

14 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

7 formations

Aktas — 43.53°N, 69.95°EHuaqiao — 28.39°N, 109.53°EHuaqiao — 28.72°N, 109.97°EFjällbränna — 64.43°N, 15.54°EKap Stanton — 80.25°N, 62.50°WV-Creek Limestone — 20.19°S, 138.45°EMarjum — 39.27°N, 113.31°WAlum Shale — 58.76°N, 15.52°E

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

Ptychagnostus affinis and its relatives

Cambrian

Where Ptychagnostus affinis and its relatives were recorded in the Cambrian.

Found in the same rock

181 taxa

The Paleobiology Database records 7 sites for Ptychagnostus affinis, 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 14 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 content0

No picture of Ptychagnostus affinis was found. Wikidata and iDigBio were searched and had none.

Wikipedia and 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 Ptychagnostus affinis, or no answer at all. This entry cannot say which.

No 3D scan of Ptychagnostus affinis 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 itPtychagnostus through timeFormations of the CambrianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Brøgger 1878)