Trapezium (Neotrapezium)

No picture of Trapezium (Neotrapezium) 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 Trapezium (Neotrapezium), or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
TrapeziumPBDB
Diet
suspension feederPBDB, for Venerida
Life habit
infaunalPBDB, for Venerida
Motility
facultatively mobilePBDB, for Venerida
Vision
blindPBDB, for Bivalvia

Time the record covers

At least 38 million years on record.

The record covers at least 41.03 Mya to 2.58 Mya. No occurrence read is dated outside 48.07 Mya to 11.7 ka.

Eocene — about 11 of 19 occurrencesEoceneOligocene — about 0 of 19 occurrencesMiocene — about 6 of 19 occurrencesMiocenePliocene — about 0 of 19 occurrencesPleistocene — about 2 of 19 occurrences49–47 Mya — about 0.9 occurrences47–46 Mya — about 2 occurrences46–44 Mya — about 2 occurrences44–42 Mya — about 2 occurrences42–41 Mya — about 2 occurrences41–39 Mya — about 0.9 occurrences39–38 Mya — about 0.9 occurrences25–23 Mya — about 0.1 occurrences23–21 Mya — about 1 occurrence21–20 Mya — about 1 occurrence20–18 Mya — about 1 occurrence18–16 Mya — about 1 occurrence16–15 Mya — about 0.3 occurrences3.3–1.6 Mya — about 0.7 occurrences1.6–0 Mya — about 1 occurrence41.03 Mya2.58 Mya49 Mya0 Mya

19 occurrences of Trapezium (Neotrapezium) on record, most of them in the Eocene. The Paleobiology Database records this as a living group. 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

19 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

5 formations

Kunugidaira — 36.83°N, 145.75°EKunugidaira — 37.00°N, 140.75°ETainohata — 34.75°N, 135.17°EMatilija — 34.48°N, 119.30°WAkasawa Silt — 34.67°N, 137.25°EToshima Sand — 34.62°N, 137.22°E

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

Trapezium (Neotrapezium) and its relatives

Eocene

Where Trapezium (Neotrapezium) and its relatives were recorded in the Eocene.

Found in the same rock

169 taxa

The Paleobiology Database records 13 sites for Trapezium (Neotrapezium), 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

4 references

Each of the 19 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 content0

No picture of Trapezium (Neotrapezium) 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 Trapezium (Neotrapezium), or no answer at all. This entry cannot say which.

No 3D scan of Trapezium (Neotrapezium) 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 itTrapezium through timeFormations of the EoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Habe 1951)