Bayfieldia

Bayfieldia

via iDigBio · 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
EurekiidaePBDB
Diet
carnivorePBDB, for Trilobita
Life habit
low-level epifaunalPBDB, for Asaphida
Motility
fast-movingPBDB, for Asaphida
Vision
well-developedPBDB, for Eurekiidae
Environment
marinePBDB, for Trilobita

Time the record covers

At most 14 million years on record.

Every occurrence read is dated to somewhere between 497 Mya and 483.4 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Cambrian — about 40 of 42 occurrencesCambrianOrdovician — about 2 of 42 occurrencesOrdovician497–497 Mya — about 0.1 occurrences497–496 Mya — about 0.1 occurrences496–496 Mya — about 0.1 occurrences496–495 Mya — about 0.1 occurrences495–495 Mya — about 0.1 occurrences495–494 Mya — about 0.1 occurrences494–494 Mya — about 0.1 occurrences494–493 Mya — about 2 occurrences493–493 Mya — about 2 occurrences493–492 Mya — about 2 occurrences492–492 Mya — about 2 occurrences492–491 Mya — about 2 occurrences491–491 Mya — about 2 occurrences491–490 Mya — about 2 occurrences490–490 Mya — about 5 occurrences490–489 Mya — about 5 occurrences489–489 Mya — about 4 occurrences489–488 Mya — about 3 occurrences488–488 Mya — about 3 occurrences488–487 Mya — about 3 occurrences487–487 Mya — about 2 occurrences487–486 Mya — about 0.3 occurrences486–486 Mya — about 0.3 occurrences486–485 Mya — about 0.3 occurrences485–485 Mya — about 0.3 occurrences485–484 Mya — about 0.3 occurrences484–484 Mya — about 0.3 occurrences484–483 Mya — about 0.3 occurrences497.5 Mya482.9 Mya

42 occurrences of Bayfieldia on record, most of them in the Cambrian. 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

42 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

12 formations

Signal Mountain Limestone — 34.82°N, 98.41°WSignal Mountain Limestone — 34.39°N, 97.12°WWilberns — 31.00°N, 99.26°WWilberns — 30.93°N, 99.41°WWilberns — 30.62°N, 99.34°WWilberns — 30.98°N, 99.47°WMistaya — 51.50°N, 116.20°WMistaya — 52.23°N, 117.23°WMistaya — 51.05°N, 115.57°WDeadwood — 44.63°N, 104.38°WSurvey Peak — 52.03°N, 116.84°WNotch Peak — 39.22°N, 113.40°WBison Creek — 51.50°N, 116.20°WLevis Conglomerate — 46.82°N, 71.18°WWindfall — 39.97°N, 114.88°WSnowy Range — 45.87°N, 111.00°WRoyer Dolomite — 34.82°N, 98.41°WFort Sill Limestone — 34.82°N, 98.41°W

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

Bayfieldia and its relatives

Cambrian

Where Bayfieldia and its relatives were recorded in the Cambrian.

Found in the same rock

123 taxa

The Paleobiology Database records 36 sites for Bayfieldia, 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

12 references

Each of the 42 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 Bayfieldia

Source
iDigBio
Credit
via iDigBio
Licence
not stated by the source
Commercial use
cannot be read from the licence given — check the record

No 3D scan of Bayfieldia 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 itEurekiidae through timeFormations of the CambrianThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Clark 1924