Psammosteus livonicus

Psammosteus livonicus (Obruchev & Mark-Kurik, 1965), a relative of Psammosteus livonicus — not Psammosteus livonicus itself

Not Psammosteus livonicus. This is Psammosteus livonicus (Obruchev & Mark-Kurik, 1965), a relative — both are Psammosteidae.

via GBIF · CC BY-NC 4.0 · via GBIF. 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
PsammosteusPBDB
Motility
actively mobilePBDB, for Chordata

Time the record covers

At most 9 million years on record.

Every occurrence read is dated to somewhere between 387.95 Mya and 379 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Devonian — about 3 of 3 occurrencesDevonian388–388 Mya — about 0.0 occurrences388–387 Mya — about 0.1 occurrences387–387 Mya — about 0.1 occurrences387–387 Mya — about 0.1 occurrences387–386 Mya — about 0.1 occurrences386–386 Mya — about 0.1 occurrences386–386 Mya — about 0.1 occurrences386–385 Mya — about 0.1 occurrences385–385 Mya — about 0.1 occurrences385–385 Mya — about 0.1 occurrences385–384 Mya — about 0.1 occurrences384–384 Mya — about 0.1 occurrences384–384 Mya — about 0.1 occurrences384–383 Mya — about 0.1 occurrences383–383 Mya — about 0.1 occurrences383–383 Mya — about 0.1 occurrences383–382 Mya — about 0.1 occurrences382–382 Mya — about 0.1 occurrences382–382 Mya — about 0.2 occurrences382–381 Mya — about 0.2 occurrences381–381 Mya — about 0.2 occurrences381–381 Mya — about 0.2 occurrences381–380 Mya — about 0.2 occurrences380–380 Mya — about 0.2 occurrences380–380 Mya — about 0.2 occurrences380–379 Mya — about 0.2 occurrences379–379 Mya — about 0.2 occurrences379–379 Mya — about 0.1 occurrences388.4 Mya378.5 Mya

3 occurrences of Psammosteus livonicus on record, most of them in the Devonian. 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

3 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

Amata — 57.06°N, 24.03°EAmata — 56.63°N, 25.46°EYam-Tesovo — 58.89°N, 30.56°E

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

Psammosteus livonicus and its relatives

Devonian

Where Psammosteus livonicus and its relatives were recorded in the Devonian.

Found in the same rock

21 taxa

The Paleobiology Database records 3 sites for Psammosteus livonicus, 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

3 references

Each of the 3 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 Psammosteus livonicus (Obruchev & Mark-Kurik, 1965)

Source
GBIF
Credit
via GBIF
Licence
CC BY-NC 4.0
Commercial use
the licence does not allow it

No 3D scan of Psammosteus livonicus 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 itPsammosteus through timeFormations of the DevonianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Obruchev 1965)