Cyclocardia (Arcturellina) elegans

Not Cyclocardia (Arcturellina) elegans. This is Cyclocardia elegans (Lamarck, 1805), a relative — both are Carditidae.
Stichting Schepsel Schelp · 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
- Cyclocardia (Arcturellina)PBDB
- Diet
- suspension feederPBDB, for Cyclocardia
- Life habit
- semi-infaunalPBDB, for Cyclocardia
- Motility
- facultatively mobilePBDB, for Cyclocardia
- Vision
- blindPBDB, for Crassatelloidea
- Environment
- marinePBDB, for Crassatelloidea
Time the record covers
At most 7.1 million years on record.
Every occurrence read is dated to somewhere between 48.07 Mya and 41.03 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
8 occurrences of Cyclocardia (Arcturellina) elegans 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
8 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
3 formations
- Selsey Formation · Bracklesham Group3
- Banc à verrins Formation3
- Earnley Formation · Bracklesham Group2
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The named rock units Cyclocardia (Arcturellina) elegans has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Cyclocardia (Arcturellina) elegans and its relatives
EoceneWhere Cyclocardia (Arcturellina) elegans and its relatives were recorded in the Eocene.
Found in the same rock
555 taxa- Crassatella8 sites
- Ringicula7 sites
- Caryocorbula striata6 sites
- Costacallista laevigata6 sites
- Cylichna6 sites
- Glycymeris6 sites
- Rimella fissurella6 sites
- Trigonodesma lissa6 sites
- Turricula6 sites
- Barbatia5 sites
- Barbatia (Barbatia) appendiculata5 sites
- Cardium (Orthocardium) porulosum5 sites
- Corbula5 sites
- Corbula (Bicorbula) gallica5 sites
- Crommium5 sites
- Elliptotellina tellinella5 sites
- Euspira5 sites
- Glycymeris pulvinata5 sites
- Nemocardium5 sites
- Nipteraxis5 sites
- Odostomia5 sites
- Omalaxis5 sites
- Pitar (Calpitaria) sulcatarius5 sites
- Sigmesalia multisulcata5 sites
The Paleobiology Database records 8 sites for Cyclocardia (Arcturellina) elegans, 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
4 references- The molluscs of the “Falunière” of Grignon (Middle Lutetian, Yvelines, France): quantification of lithification bias and its impact on the biodiversity assessment of the Middle Eocene of Western Europe3
- Distribution of Mollusca in Units S1 to S9 of the Selsey Formation (middle Lutetian), Selsey Peninsula, West Sussex2
- Fossils from the Bracklesham Group exposed in the M27 Motorway excavations, Southampton, Hampshire2
- Account of Excavations into the Campanile Bed (Eocene, Selsey Formation) at Stubbington, Hants1
Each of the 8 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 content1

Picture of Cyclocardia elegans (Lamarck, 1805)
- Source
- GBIF
- Credit
- Stichting Schepsel Schelp
- Licence
- CC BY 4.0
- Commercial use
- the licence allows 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 itCyclocardia (Arcturellina) through timeFormations of the EoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Lamarck 1806)