Trigonia kayana

No picture of Trigonia kayana was found. Wikipedia, Wikidata and iDigBio were searched and had none. Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Trigonia kayana, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
TrigoniaPBDB
Diet
suspension feederPBDB, for Trigoniidae
Life habit
shallow infaunalPBDB, for Trigoniidae
Motility
fast-movingPBDB, for Trigoniidae
Vision
blindPBDB, for Trigoniidae
Environment
marinePBDB, for Trigoniidae

Time the record covers

At least 6.2 million years on record.

The record covers at least 125.77 Mya to 119.57 Mya. No occurrence read is dated outside 132.6 Mya to 113.2 Mya.

Early Cretaceous — about 5 of 5 occurrencesEarly Cretaceous133–132 Mya — about 0.0 occurrences132–132 Mya — about 0.1 occurrences132–131 Mya — about 0.1 occurrences131–130 Mya — about 0.1 occurrences130–130 Mya — about 0.1 occurrences130–129 Mya — about 0.1 occurrences129–128 Mya — about 0.1 occurrences128–128 Mya — about 0.1 occurrences128–127 Mya — about 0.1 occurrences127–126 Mya — about 0.1 occurrences126–126 Mya — about 0.1 occurrences120–120 Mya — about 0.0 occurrences120–119 Mya — about 0.4 occurrences119–118 Mya — about 0.4 occurrences118–117 Mya — about 0.4 occurrences117–117 Mya — about 0.4 occurrences117–116 Mya — about 0.4 occurrences116–115 Mya — about 0.4 occurrences115–115 Mya — about 0.4 occurrences115–114 Mya — about 0.4 occurrences114–113 Mya — about 0.4 occurrences113–113 Mya — about 0.1 occurrences125.77 Mya119.57 Mya133.1 Mya112.7 Mya

5 occurrences of Trigonia kayana on record, most of them in the Early Cretaceous. 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

5 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

Budden Canyon — 40.45°N, 122.62°W

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The named rock units Trigonia kayana 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.

Trigonia kayana and its relatives

Early Cretaceous

Where Trigonia kayana and its relatives were recorded in the Early Cretaceous.

Found in the same rock

8 taxa

The Paleobiology Database records 5 sites for Trigonia kayana, 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

2 references

Each of the 5 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. Each entry links to doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content0

No picture of Trigonia kayana was found. Wikipedia, Wikidata and iDigBio were searched and had none.

Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.

GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Trigonia kayana, or no answer at all. This entry cannot say which.

No 3D scan of Trigonia kayana was found in Sketchfab.

Smithsonian Open Access and MorphoSource were 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 itTrigonia through timeFormations of the Early CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Anderson 1938