Nuculana concentrica
Nuculana concentrica, or the Concentric nut clam, is a marine bivalve mollusc in the family Nuculanidae. It can be found in the waters of the Gulf of Mexico, ranging from Texas to Florida.
via iDigBio · CC0 · via iDigBio. 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
- Concentric Nut ClamPBDB
- Sits inside
- NuculanaPBDB
- Diet
- deposit feeder, suspension feederPBDB, for Nuculanidae
- Life habit
- infaunalPBDB, for Nuculanidae
- Motility
- facultatively mobilePBDB, for Nuculanidae
- Vision
- blindPBDB, for Bivalvia
- Environment
- coastal,inner shelf,outer shelf,oceanicPBDB, for Nuculanidae
Time the record covers
At most 12 thousand years on record.
Every occurrence read is dated to somewhere between 11.7 ka and 0 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
10 occurrences of Nuculana concentrica on record, most of them in the Holocene. 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
10 occurrences- Holocene100%
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
2 formations
Loading coastlines…
The named rock units Nuculana concentrica has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.
Nuculana concentrica and its relatives
HoloceneWhere Nuculana concentrica and its relatives were recorded in the Holocene.
Found in the same rock
158 taxa- Lunarca ovalis10 sites
- Nassarius (Nassarius) acutus10 sites
- Neverita duplicatus10 sites
- Acteocina canaliculata8 sites
- Angulus texanus8 sites
- Callocardia (Agriopoma) texasiana8 sites
- Mulinia lateralis8 sites
- Nassarius vibex8 sites
- Cyrtopleura costata7 sites
- Abra aequalis6 sites
- Caryocorbula contracta6 sites
- Crassostrea virginica6 sites
- Dosinia discus6 sites
- Macoma tenta6 sites
- Mercenaria campechiensis6 sites
- Raeta (Raeta) plicatella6 sites
- Tellina (Eurytellina) alternata6 sites
- Turbonilla interrupta6 sites
- Brachidontes exustus5 sites
- Barnea truncata4 sites
- Costoanachis semiplicata4 sites
- Crepidula fornicata4 sites
- Dinocardium robustum4 sites
- Diplodonta soror4 sites
The Paleobiology Database records 10 sites for Nuculana concentrica, 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
2 references- Stratigraphy of newly exposed Quaternary sediments, eastern Orleans Parish, Louisiana5
- Stratigraphy of newly exposed Quaternary seduments, eastern Orleans Parish, Louisiana5
Each of the 10 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 the Paleobiology Database's own record for the work.
Media and terms
Media content1
Picture of Nuculana concentrica
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Nuculana concentrica 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.
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 itNuculana through timeFormations of the HoloceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Say 1824)