Lucina

Searched as Lucina leufuensis. The Paleobiology Database treats Lucina as the accepted name.

Lucina is a genus of saltwater clams, marine bivalve molluscs.

Lucina

Hectonichus · CC BY-SA 4.0 · via Wikipedia/Commons. 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
LucininaePBDB
Diet
chemosymbioticPBDB
Life habit
infaunalPBDB
Motility
facultatively mobilePBDB
Vision
blindPBDB, for Bivalvia

Time the record covers

At least 10 million years on record.

The record covers at least 143.1 Mya to 132.6 Mya. No occurrence read is dated outside 149.2 Mya to 125.77 Mya.

Late Jurassic — about 3 of 7 occurrencesLate JurassicEarly Cretaceous — about 4 of 7 occurrencesEarly Cretaceous150–149 Mya — about 0.2 occurrences149–148 Mya — about 0.4 occurrences148–147 Mya — about 0.4 occurrences147–146 Mya — about 0.4 occurrences146–146 Mya — about 0.4 occurrences146–145 Mya — about 0.4 occurrences145–144 Mya — about 0.4 occurrences144–143 Mya — about 0.4 occurrences143–142 Mya — about 0.2 occurrences142–142 Mya — about 0.1 occurrences142–141 Mya — about 0.1 occurrences141–140 Mya — about 0.1 occurrences140–139 Mya — about 0.1 occurrences139–138 Mya — about 0.1 occurrences138–137 Mya — about 0.1 occurrences137–137 Mya — about 0.1 occurrences133–132 Mya — about 0.4 occurrences132–131 Mya — about 0.4 occurrences131–130 Mya — about 0.4 occurrences130–129 Mya — about 0.4 occurrences129–129 Mya — about 0.4 occurrences129–128 Mya — about 0.4 occurrences128–127 Mya — about 0.4 occurrences127–126 Mya — about 0.4 occurrences126–125 Mya — about 0.1 occurrences143.1 Mya132.6 Mya149.7 Mya125.3 Mya

7 occurrences of Lucina on record, most of them in the Early Cretaceous. 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

7 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

Lo Valdés — 33.83°S, 70.08°WBanos del Flaco — 33.83°S, 70.33°WTotoralillo — 27.36°S, 70.18°WBandurrias — 27.33°S, 70.23°WPicún Leufú — 39.30°S, 70.25°W

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The named rock units Lucina 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.

Lucina and its relatives

Early Cretaceous

Where Lucina and its relatives were recorded in the Early Cretaceous.

Found in the same rock

1,997 taxa

The Paleobiology Database records 725 sites for Lucina, and this reads 240 of them. Of that, one read hit the database's own return limit, so every count below is a floor rather than a total. 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 7 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 content2

Picture of Lucina

Credit
Hectonichus
Licence
CC BY-SA 4.0
Commercial use
the licence allows it

3D model

Source
Sketchfab
Licence
CC Attribution
Commercial use
cannot be read from the licence given — check the record

Smithsonian Open Access and MorphoSource were not reached for this taxon, so this list is what the others held rather than everything there is.

The description on this site

Licence
CC BY-SA 4.0

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

Keep going

What may have been alongside itLucininae through timeFormations of the Early CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Bruguière 1797