Quasilaeviranina arafita

Quasilaeviranina arafita

via GBIF · CC BY 4.0 · via GBIF. 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
QuasilaeviraninaPBDB
Diet
carnivorePBDB, for Decapoda
Life habit
semi-infaunalPBDB, for Raninoidia
Motility
actively mobilePBDB, for Malacostraca
Vision
well-developedPBDB, for Malacostraca

Time the record covers

At most 8 million years on record.

Every occurrence read is dated to somewhere between 56 Mya and 48.07 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Paleocene — about 0 of 2 occurrencesEocene — about 2 of 2 occurrencesEocene56–56 Mya — about 0.0 occurrences56–56 Mya — about 0.1 occurrences56–55 Mya — about 0.1 occurrences55–55 Mya — about 0.1 occurrences55–55 Mya — about 0.1 occurrences55–54 Mya — about 0.1 occurrences54–54 Mya — about 0.1 occurrences54–54 Mya — about 0.1 occurrences54–54 Mya — about 0.1 occurrences54–53 Mya — about 0.1 occurrences53–53 Mya — about 0.1 occurrences53–53 Mya — about 0.1 occurrences53–52 Mya — about 0.1 occurrences52–52 Mya — about 0.1 occurrences52–52 Mya — about 0.1 occurrences52–51 Mya — about 0.1 occurrences51–51 Mya — about 0.1 occurrences51–51 Mya — about 0.1 occurrences51–51 Mya — about 0.1 occurrences51–50 Mya — about 0.1 occurrences50–50 Mya — about 0.1 occurrences50–50 Mya — about 0.1 occurrences50–49 Mya — about 0.1 occurrences49–49 Mya — about 0.1 occurrences49–49 Mya — about 0.1 occurrences49–48 Mya — about 0.1 occurrences48–48 Mya — about 0.1 occurrences48–48 Mya — about 0.0 occurrences56.5 Mya47.6 Mya

2 occurrences of Quasilaeviranina arafita on record, most of them in the Eocene. 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

2 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

Serraduy — 42.32°N, 0.54°E

Loading coastlines…

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

Quasilaeviranina arafita and its relatives

Eocene

Where Quasilaeviranina arafita and its relatives were recorded in the Eocene.

Found in the same rock

21 taxa

The Paleobiology Database records 2 sites for Quasilaeviranina arafita, 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

1 reference

Each of the 2 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 Quasilaeviranina arafita

Source
GBIF
Credit
via GBIF
Licence
CC BY 4.0
Commercial use
the licence allows it

No 3D scan of Quasilaeviranina arafita 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 itQuasilaeviranina through timeFormations of the EoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Ferratges et al. 2025