Quadracythere

Searched as Quadracythere lagaghiroboensis. The Paleobiology Database treats Quadracythere as the accepted name.

Quadracythere

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
HemicytheridaePBDB
Diet
detritivore, grazerPBDB, for Podocopida
Life habit
epifaunalPBDB, for Podocopida
Motility
actively mobilePBDB, for Ostracoda
Vision
limitedPBDB, for Ostracoda
Environment
freshwaterPBDB, for Hemicytheridae

Time the record covers

At most 3.3 million years on record.

Every occurrence read is dated to somewhere between 59.24 Mya and 56 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Paleocene — about 3 of 3 occurrencesPaleoceneEocene — about 0 of 3 occurrences59–59 Mya — about 0.1 occurrences59–59 Mya — about 0.1 occurrences59–59 Mya — about 0.1 occurrences59–59 Mya — about 0.1 occurrences59–59 Mya — about 0.1 occurrences59–58 Mya — about 0.1 occurrences58–58 Mya — about 0.1 occurrences58–58 Mya — about 0.1 occurrences58–58 Mya — about 0.1 occurrences58–58 Mya — about 0.1 occurrences58–58 Mya — about 0.1 occurrences58–58 Mya — about 0.1 occurrences58–57 Mya — about 0.1 occurrences57–57 Mya — about 0.1 occurrences57–57 Mya — about 0.1 occurrences57–57 Mya — about 0.1 occurrences57–57 Mya — about 0.1 occurrences57–57 Mya — about 0.1 occurrences57–57 Mya — about 0.1 occurrences57–56 Mya — about 0.1 occurrences56–56 Mya — about 0.1 occurrences56–56 Mya — about 0.1 occurrences56–56 Mya — about 0.1 occurrences56–56 Mya — about 0.1 occurrences59.74 Mya55.5 Mya

3 occurrences of Quadracythere on record, most of them in the Paleocene. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. 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

3 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.

Quadracythere and its relatives

Paleocene

Where Quadracythere and its relatives were recorded in the Paleocene.

Found in the same rock

281 taxa

The Paleobiology Database records 18 sites for Quadracythere, 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

2 references

Each of the 3 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 content1

Picture of Quadracythere

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

No 3D scan of Quadracythere 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 itHemicytheridae through timeFormations of the PaleoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Hornibrook 1952