Lacuna (Epheria) unifasciata

Lacuna (Epheria) unifasciata

Sean · CC BY-NC 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
Also called
one-banded lacunaPBDB
Sits inside
Lacuna (Epheria)PBDB
Diet
grazerPBDB, for Littorinidae
Life habit
epifaunalPBDB, for Littorinidae
Motility
actively mobilePBDB, for Littorinidae
Vision
limitedPBDB, for Gastropoda

Time the record covers

At least 1.6 million years on record.

The record covers at least 1.8 Mya to 129 ka. No occurrence read is dated outside 3.6 Mya to 0 Mya.

Pliocene — about 1 of 50 occurrencesPliocenePleistocene — about 49 of 50 occurrencesPleistoceneHolocene — about 0 of 50 occurrences3.7–3.6 Mya — about 0.0 occurrences3.6–3.4 Mya — about 0.1 occurrences3.4–3.3 Mya — about 0.1 occurrences3.3–3.1 Mya — about 0.1 occurrences3.1–3.0 Mya — about 0.1 occurrences3.0–2.9 Mya — about 0.1 occurrences2.9–2.7 Mya — about 0.1 occurrences2.7–2.6 Mya — about 0.1 occurrences2.6–2.5 Mya — about 1 occurrence2.5–2.3 Mya — about 1 occurrence2.3–2.2 Mya — about 1 occurrence2.2–2.0 Mya — about 1 occurrence2.0–1.9 Mya — about 1 occurrence1.9–1.8 Mya — about 1 occurrence1.8–1.6 Mya — about 1 occurrence1.6–1.5 Mya — about 1 occurrence1.5–1.4 Mya — about 1 occurrence1.4–1.2 Mya — about 1 occurrence1.2–1.1 Mya — about 1 occurrence1.1–957 ka Mya — about 1 occurrence957 ka–820 ka Mya — about 1 occurrence820 ka–683 ka Mya — about 2 occurrences683 ka–547 ka Mya — about 3 occurrences547 ka–410 ka Mya — about 3 occurrences410 ka–273 ka Mya — about 3 occurrences273 ka–137 ka Mya — about 3 occurrences137 ka–0 Mya — about 19 occurrences1.8 Mya129 ka4.1 Mya0 Mya

50 occurrences of Lacuna (Epheria) unifasciata on record, most of them in the Pleistocene. 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

50 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

7 formations

Palos Verdes Sand — 33.80°N, 118.16°WPalos Verdes Sand — 33.99°N, 118.45°WPalos Verdes Sand — 33.60°N, 117.88°WPalos Verdes Sand — 33.74°N, 118.28°WUnnamed — 33.24°N, 119.51°WUnnamed — 33.24°N, 119.55°WQuaternary terrace — 33.75°N, 118.33°WQuaternary terrace — 33.76°N, 118.35°WLomita Marl — 33.74°N, 118.29°WLomita Marl — 33.75°N, 118.30°WSan Pedro Sand — 33.74°N, 118.28°WPalos Verdes — 33.63°N, 117.90°WNiguel — 33.64°N, 117.89°W

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The named rock units Lacuna (Epheria) unifasciata has been recovered from, largest first. Drawn where the rock is now, not where it formed. 14 occurrences have no formation on record, which is common for older literature.

Lacuna (Epheria) unifasciata and its relatives

Pleistocene

Where Lacuna (Epheria) unifasciata and its relatives were recorded in the Pleistocene.

Found in the same rock

1,118 taxa

The Paleobiology Database records 41 sites for Lacuna (Epheria) unifasciata, 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

17 references

Each of the 50 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. 5 further references are not listed. 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 Lacuna (Epheria) unifasciata

Source
GBIF
Credit
Sean
Licence
CC BY-NC 4.0
Commercial use
the licence does not allow it

No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itLacuna (Epheria) through timeFormations of the PleistoceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Carpenter 1857)