Delops

Delops is a trilobite in the order Phacopida, that existed during the upper Silurian in what is now England. It was described by Rickards in 1964, and the type species is Delops obtusicaudatus, which was originally described under the genus Phacops by Salter in 1849. The type locality was the Middle Coldwell Beds.

Delops

via iDigBio · CC BY · via iDigBio. 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
DalmanitidaePBDB
Diet
carnivorePBDB, for Phacopina
Life habit
low-level epifaunalPBDB, for Trilobita
Motility
fast-movingPBDB, for Trilobita
Vision
well-developedPBDB, for Dalmanitidae
Environment
marinePBDB, for Trilobita

Time the record covers

At most 6.2 million years on record.

Every occurrence read is dated to somewhere between 432.9 Mya and 426.7 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Silurian — about 7 of 7 occurrencesSilurian433–433 Mya — about 0.1 occurrences433–432 Mya — about 0.1 occurrences432–432 Mya — about 0.1 occurrences432–432 Mya — about 0.1 occurrences432–432 Mya — about 0.1 occurrences432–431 Mya — about 0.1 occurrences431–431 Mya — about 0.1 occurrences431–431 Mya — about 0.1 occurrences431–431 Mya — about 0.1 occurrences431–431 Mya — about 0.2 occurrences431–430 Mya — about 0.4 occurrences430–430 Mya — about 0.4 occurrences430–430 Mya — about 0.4 occurrences430–430 Mya — about 0.4 occurrences430–429 Mya — about 0.4 occurrences429–429 Mya — about 0.4 occurrences429–429 Mya — about 0.4 occurrences429–429 Mya — about 0.4 occurrences429–428 Mya — about 0.4 occurrences428–428 Mya — about 0.4 occurrences428–428 Mya — about 0.4 occurrences428–428 Mya — about 0.4 occurrences428–427 Mya — about 0.4 occurrences427–427 Mya — about 0.4 occurrences427–427 Mya — about 0.4 occurrences427–427 Mya — about 0.4 occurrences433.4 Mya426.2 Mya

7 occurrences of Delops 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

7 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

Motol — 50.08°N, 14.47°EMotol — 50.00°N, 14.22°ESt. Clair Limestone — 35.77°N, 91.63°WColdwell — 54.37°N, 2.47°W

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The named rock units Delops has been recovered from, largest first. Drawn where the rock is now, not where it formed. 1 occurrence has no formation on record, which is common for older literature.

Delops and its relatives

Silurian

Where Delops and its relatives were recorded in the Silurian.

Found in the same rock

81 taxa

The Paleobiology Database records 6 sites for Delops, 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

6 references

Each of the 7 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 Delops

Source
iDigBio
Credit
via iDigBio
Licence
CC BY
Commercial use
the licence allows it

No 3D scan of Delops was found in MorphoSource and Sketchfab.

Smithsonian Open Access was 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 itDalmanitidae through timeFormations of the SilurianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Rickards 1965