Chotecops

Chotecops is a genus of trilobites from the order Phacopida, suborder Phacopina, family Phacopidae. It was initially erected as a subgenus of Phacops but some later authors thought it distinctive enough to raise its status. Species assigned to this genus occur between the Emsian and the Famennian. Chotecops is the most abundant trilobite in the Hunsrück Slate and due to the excellent preservation, often soft tissue such as antennae and legs have been preserved as a thin sheet of pyrite.

Chotecops

Daderot · CC0 · 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
PhacopinaePBDB
Diet
carnivorePBDB, for Phacopina
Life habit
low-level epifaunalPBDB, for Trilobita
Motility
fast-movingPBDB, for Trilobita
Vision
well-developedPBDB, for Phacopidae
Environment
marinePBDB, for Trilobita

Time the record covers

At least 22 million years on record.

The record covers at least 410.62 Mya to 387.95 Mya. No occurrence read is dated outside 419.62 Mya to 382.31 Mya.

Silurian — about 0 of 46 occurrencesDevonian — about 46 of 46 occurrencesDevonian420–419 Mya — about 0.1 occurrences419–418 Mya — about 0.1 occurrences418–416 Mya — about 0.1 occurrences416–415 Mya — about 0.1 occurrences415–414 Mya — about 0.1 occurrences414–413 Mya — about 0.5 occurrences413–411 Mya — about 1 occurrence411–410 Mya — about 1 occurrence410–409 Mya — about 0.9 occurrences409–407 Mya — about 0.9 occurrences407–406 Mya — about 0.9 occurrences406–405 Mya — about 0.9 occurrences405–404 Mya — about 0.9 occurrences404–402 Mya — about 0.9 occurrences402–401 Mya — about 0.9 occurrences401–400 Mya — about 0.9 occurrences400–398 Mya — about 0.7 occurrences398–397 Mya — about 0.7 occurrences397–396 Mya — about 0.7 occurrences396–394 Mya — about 0.7 occurrences394–393 Mya — about 2 occurrences393–392 Mya — about 6 occurrences392–391 Mya — about 6 occurrences391–389 Mya — about 7 occurrences389–388 Mya — about 7 occurrences388–387 Mya — about 2 occurrences387–385 Mya — about 1 occurrence385–384 Mya — about 0.7 occurrences384–383 Mya — about 0.7 occurrences383–382 Mya — about 0.3 occurrences410.62 Mya387.95 Mya420.4 Mya381.6 Mya

46 occurrences of Chotecops 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

46 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

17 formations

Chotec — 50.08°N, 14.43°EChotec — 49.50°N, 14.33°EStinava-Chabicov — 50.00°N, 17.00°EStinava-Chabicov — 49.85°N, 17.52°EStinava-Chabicov — 49.00°N, 17.00°EChefar el Ahmar — 30.07°N, 2.23°WHunsrück Slate — 50.12°N, 7.83°EHunsrück Slate — 49.89°N, 7.47°EHunsrück Slate — 49.83°N, 7.37°EChotec Limestone — 49.92°N, 14.07°EZlichov Limestone — 50.00°N, 14.00°EZlichov Limestone — 49.50°N, 14.33°ESrbsko — 49.50°N, 14.33°EHamar Laghdad Limestone — 31.75°N, 4.50°WHunsrueck Slate — 49.87°N, 7.38°EHunsrueck Slate — 49.85°N, 7.32°EBicken-Ense — 50.60°N, 8.25°EBou Tchrafine — 31.25°N, 4.28°WStringocephalus-Kalk — 51.77°N, 10.80°ERahal Shale — 34.03°N, 6.85°WKes-Kes — 31.38°N, 4.07°WMia Le — 22.23°N, 106.18°ENam Pia — 21.43°N, 104.12°EYeringberg — 37.78°S, 145.53°E

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The named rock units Chotecops has been recovered from, largest first. Drawn where the rock is now, not where it formed. 11 occurrences have no formation on record, which is common for older literature.

Chotecops and its relatives

Devonian

Where Chotecops and its relatives were recorded in the Devonian.

Found in the same rock

584 taxa

The Paleobiology Database records 36 sites for Chotecops, 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

16 references

Each of the 46 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. 4 further references are not listed. 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 Chotecops

Credit
Daderot
Licence
CC0
Commercial use
the licence allows it

No 3D scan of Chotecops 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 itPhacopinae through timeFormations of the DevonianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Chlupac 1971)