Traquairaspidida

Traquairaspidiformes is an order of extinct heterostracan agnathan fish known from the Silurian and Early Devonian periods. Fossils are predominantly known from Late Silurian fluvial deposits from Wales and England: some species were also found in strata representing shallow water marine environment in Canada and North America.

Traquairaspidida

Apokryltaros · CC BY-SA 4.0 · 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
HeterostraciPBDB
Motility
actively mobilePBDB, for Chordata

Time the record covers

At most 3.1 million years on record.

The one occurrence read is dated to somewhere between 422.7 Mya and 419.62 Mya, which is a dating window rather than a span.

Silurian — about 1 of 1 occurrenceSilurianDevonian — about 0 of 1 occurrence423–423 Mya — about 0.0 occurrences423–423 Mya — about 0.0 occurrences423–422 Mya — about 0.0 occurrences422–422 Mya — about 0.0 occurrences422–422 Mya — about 0.0 occurrences422–422 Mya — about 0.0 occurrences422–422 Mya — about 0.0 occurrences422–422 Mya — about 0.0 occurrences422–422 Mya — about 0.0 occurrences422–421 Mya — about 0.0 occurrences421–421 Mya — about 0.0 occurrences421–421 Mya — about 0.0 occurrences421–421 Mya — about 0.0 occurrences421–421 Mya — about 0.0 occurrences421–421 Mya — about 0.0 occurrences421–421 Mya — about 0.0 occurrences421–420 Mya — about 0.0 occurrences420–420 Mya — about 0.0 occurrences420–420 Mya — about 0.0 occurrences420–420 Mya — about 0.0 occurrences420–420 Mya — about 0.0 occurrences420–420 Mya — about 0.0 occurrences420–420 Mya — about 0.0 occurrences420–420 Mya — about 0.0 occurrences423.2 Mya419.12 Mya

1 occurrence of Traquairaspidida on record, most of them in the Silurian. 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

1 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

Peel Sound — 73.25°N, 93.50°W

Loading coastlines…

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

Traquairaspidida and its relatives

Silurian

Where Traquairaspidida and its relatives were recorded in the Silurian.

Found in the same rock

4 taxa

The Paleobiology Database records 1 site for Traquairaspidida, 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 1 occurrence 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 content1

Picture of Traquairaspidida

Credit
Apokryltaros
Licence
CC BY-SA 4.0
Commercial use
the licence allows it

No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.

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 itHeterostraci through timeFormations of the SilurianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Stensio 1958