Meretrix
Searched as Meretrix subimpressa golfotristensis. The Paleobiology Database treats Meretrix as the accepted name.
Meretrix is a genus of edible saltwater clams, marine bivalve molluscs in the family Veneridae, the Venus clams. The genus first appeared in the fossil record during the Cenomanian.

Anna Frodesiak · CC0 · 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
- MeretricinaePBDB
- Diet
- suspension feederPBDB, for Veneridae
- Life habit
- infaunalPBDB, for Veneridae
- Motility
- facultatively mobilePBDB, for Veneridae
- Vision
- blindPBDB, for Bivalvia
Time the record covers
At most 3.9 million years on record.
The one occurrence read is dated to somewhere between 37.71 Mya and 33.9 Mya, which is a dating window rather than a span.
1 occurrence of Meretrix on record, most of them in the Eocene. 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
1 occurrences- Eocene100%
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
Loading coastlines…
The named rock units Meretrix has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Meretrix and its relatives
EoceneWhere Meretrix and its relatives were recorded in the Eocene.
Found in the same rock
1,817 taxa- Ostrea24 sites
- Turritella21 sites
- Chlamys17 sites
- Corbula17 sites
- Lucina17 sites
- Nucula17 sites
- Venericardia15 sites
- Tellina13 sites
- Arca12 sites
- Natica12 sites
- Panopea12 sites
- Teredo12 sites
- Caestocorbula11 sites
- Dentalium11 sites
- Mesosaccella11 sites
- Turritella infragranulata pachecoensis11 sites
- Cardium10 sites
- Crassatella10 sites
- Glycymerita major10 sites
- Anomia9 sites
- Aphrodina (Mesocallista) andersoni9 sites
- Cucullaea mathewsonii9 sites
- Glycymeris9 sites
- Gyrodes9 sites
The Paleobiology Database records 101 sites for Meretrix, 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
1 referenceEach of the 1 occurrence 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 content2
Picture of Meretrix
- Source
- Wikipedia/Commons
- Credit
- Anna Frodesiak
- Licence
- CC0
- Commercial use
- the licence allows it
3D model
- Source
- Sketchfab
- Licence
- CC0 Public Domain
- Commercial use
- the licence allows it
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 itMeretricinae through timeFormations of the EoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Lamarck 1799)