Protocycloceras lamarcki

Protocycloceras lamarcki

via iDigBio · CC0 · 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
ProtocyclocerasPBDB
Diet
carnivorePBDB, for Cephalopoda
Life habit
nektobenthic, solitaryPBDB, for Ellesmerocerida
Motility
actively mobilePBDB, for Ellesmerocerida
Vision
well-developedPBDB, for Cephalopoda
Environment
marinePBDB, for Ellesmerocerida

Time the record covers

At most 17 million years on record.

Every occurrence read is dated to somewhere between 486.85 Mya and 470.3 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Cambrian — about 0 of 18 occurrencesOrdovician — about 18 of 18 occurrencesOrdovician487–487 Mya — about 0.0 occurrences487–486 Mya — about 0.1 occurrences486–486 Mya — about 0.1 occurrences486–485 Mya — about 0.1 occurrences485–484 Mya — about 0.1 occurrences484–484 Mya — about 0.1 occurrences484–483 Mya — about 0.2 occurrences483–483 Mya — about 0.6 occurrences483–482 Mya — about 0.6 occurrences482–482 Mya — about 0.7 occurrences482–481 Mya — about 0.7 occurrences481–480 Mya — about 0.7 occurrences480–480 Mya — about 0.7 occurrences480–479 Mya — about 0.7 occurrences479–479 Mya — about 0.7 occurrences479–478 Mya — about 0.7 occurrences478–477 Mya — about 0.7 occurrences477–477 Mya — about 0.8 occurrences477–476 Mya — about 1 occurrence476–476 Mya — about 1 occurrence476–475 Mya — about 1 occurrence475–474 Mya — about 1 occurrence474–474 Mya — about 1 occurrence474–473 Mya — about 1 occurrence473–473 Mya — about 1 occurrence473–472 Mya — about 1 occurrence472–472 Mya — about 1 occurrence472–471 Mya — about 0.5 occurrences471–470 Mya — about 0.0 occurrences470–470 Mya — about 0.0 occurrences487.4 Mya469.8 Mya

18 occurrences of Protocycloceras lamarcki on record, most of them in the Ordovician. 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

18 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

6 formations

Fort Cassin — 44.21°N, 73.25°WFort Cassin — 44.77°N, 73.49°WFort Cassin — 44.60°N, 73.44°WFort Cassin — 44.01°N, 73.60°WFort Cassin — 43.78°N, 73.64°WCatoche — 48.55°N, 59.25°WCatoche — 48.51°N, 59.22°WCatoche — 48.54°N, 58.74°WCatoche — 51.63°N, 55.90°WRasstupet Limestones — 76.92°N, 16.00°ERomaine — 50.24°N, 63.68°WBoat Harbour — 48.54°N, 58.74°WKochakan — 67.53°N, 104.18°E

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

Protocycloceras lamarcki and its relatives

Ordovician

Where Protocycloceras lamarcki and its relatives were recorded in the Ordovician.

Found in the same rock

113 taxa

The Paleobiology Database records 16 sites for Protocycloceras lamarcki, 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

10 references

Each of the 18 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 Protocycloceras lamarcki

Source
iDigBio
Credit
via iDigBio
Licence
CC0
Commercial use
the licence allows it

No 3D scan of Protocycloceras lamarcki 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.

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itProtocycloceras through timeFormations of the OrdovicianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Billings 1859)