Cyclocardia

Cyclocardia is a genus of molluscs in the family Carditidae.

Cyclocardia

Alfred Goldsborough Mayor · Public Domain · 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
CarditidaePBDB
Diet
suspension feederPBDB
Life habit
semi-infaunalPBDB
Motility
facultatively mobilePBDB
Vision
blindPBDB, for Crassatelloidea
Environment
marinePBDB, for Crassatelloidea

Time the record covers

At least 93 million years on record.

The record covers at least 93.9 Mya to 11.7 ka. No occurrence read is dated outside 100.5 Mya to 0 Mya.

Early Cretaceous — about 0 of 547 occurrencesLate Cretaceous — about 4 of 547 occurrencesLate CretaceousPaleocene — about 0 of 547 occurrencesEocene — about 72 of 547 occurrencesEoceneOligocene — about 130 of 547 occurrencesOligoceneMiocene — about 206 of 547 occurrencesMiocenePliocene — about 89 of 547 occurrencesPleistocene — about 40 of 547 occurrences103–99 Mya — about 0.6 occurrences99–96 Mya — about 2 occurrences96–92 Mya — about 0.8 occurrences92–89 Mya — about 0.1 occurrences89–85 Mya — about 0.2 occurrences85–82 Mya — about 0.2 occurrences82–79 Mya — about 0.2 occurrences79–75 Mya — about 0.2 occurrences75–72 Mya — about 0.2 occurrences58–55 Mya — about 0.8 occurrences55–51 Mya — about 2 occurrences51–48 Mya — about 3 occurrences48–44 Mya — about 8 occurrences44–41 Mya — about 8 occurrences41–38 Mya — about 20 occurrences38–34 Mya — about 28 occurrences34–31 Mya — about 33 occurrences31–27 Mya — about 33 occurrences27–24 Mya — about 54 occurrences24–21 Mya — about 37 occurrences21–17 Mya — about 39 occurrences17–14 Mya — about 55 occurrences14–10 Mya — about 55 occurrences10–6.8 Mya — about 27 occurrences6.8–3.4 Mya — about 44 occurrences3.4–0 Mya — about 97 occurrences93.9 Mya11.7 ka103 Mya0 Mya

547 occurrences of Cyclocardia on record, most of them in the Miocene. 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

547 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

162 formations

Omagari — 42.83°N, 143.67°EYorktown — 37.22°N, 76.93°WYorktown — 37.23°N, 76.96°WYorktown — 37.17°N, 76.77°WYorktown — 37.51°N, 77.21°WYorktown — 37.25°N, 76.50°WYorktown — 37.27°N, 76.57°WYorktown — 34.90°N, 78.05°WYorktown — 37.21°N, 76.69°WYorktown — 37.06°N, 76.63°WYorktown — 37.15°N, 76.74°WNarrow Cape — 56.54°N, 154.34°WBarton Beds — 51.28°N, 0.63°WBarton Beds — 50.78°N, 1.73°WBarton Beds — 50.85°N, 1.78°WBarton Beds — 50.74°N, 1.69°WLillo — 51.25°N, 4.28°ETachilni — 54.98°N, 162.85°WTachilni — 54.98°N, 164.65°WTachilni — 54.85°N, 163.41°WNarrrow Cape Formaton — 56.54°N, 154.34°WAluginskaya — 60.42°N, 165.92°EAluginskaya — 59.83°N, 165.00°EBlakeley — 47.58°N, 122.48°WBlakeley — 48.16°N, 123.95°WBlakeley — 47.55°N, 122.34°WShitakara — 42.98°N, 144.38°EShitakara — 43.25°N, 144.08°EClallam — 48.23°N, 124.14°WClallam — 48.20°N, 122.11°WClallam — 48.27°N, 122.25°WEtolonskaya — 58.42°N, 159.00°EGakkhinskaya — 58.25°N, 158.75°EJackson Bluff — 30.39°N, 84.64°WJackson Bluff — 30.97°N, 84.53°WKirkwood — 38.94°N, 74.91°WKirkwood — 39.15°N, 74.69°WKirkwood — 39.10°N, 74.72°WKirkwood — 38.99°N, 74.82°WKirkwood — 39.36°N, 74.42°WKirkwood — 39.00°N, 75.12°WBarton Clay — 51.02°N, 1.32°WBarton Clay — 50.74°N, 1.69°WAstoria — 46.19°N, 123.83°WAstoria — 44.74°N, 124.06°WAstoria — 43.40°N, 124.28°WAmaninskaya — 58.00°N, 158.20°EIl'inskaya — 57.78°N, 158.58°ECalvert — 38.54°N, 76.73°WCalvert — 39.20°N, 75.60°WCalvert — 38.75°N, 76.69°WCalvert — 38.64°N, 76.52°WDry Creek Sands — 34.75°S, 138.68°EDry Creek Sands — 34.89°S, 138.56°EKamicharo — 43.08°N, 143.83°EKamicharo — 42.95°N, 144.07°EMaruyamskaya — 47.42°N, 142.50°EBear Bluff — 33.90°N, 78.84°WBear Bluff — 34.29°N, 78.51°WBear Bluff — 26.76°N, 81.44°W

Loading coastlines…

The named rock units Cyclocardia has been recovered from, largest first. Drawn where the rock is now, not where it formed. 138 further formations hold fewer occurrences each and are not listed. 96 occurrences have no formation on record, which is common for older literature.

Cyclocardia and its relatives

Miocene

Where Cyclocardia and its relatives were recorded in the Miocene.

Found in the same rock

2,636 taxa

The Paleobiology Database records 278 sites for Cyclocardia, 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

136 references

Each of the 547 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. 124 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 content3

Picture of Cyclocardia

Credit
Alfred Goldsborough Mayor
Licence
Public Domain
Commercial use
the licence allows it

CT scan

Licence
not stated by the source
Commercial use
cannot be read from the licence given — check the record
Specimen
Cyclocardia novangliae · USNM:IZ:USNM 781525

3D model

Source
Sketchfab
Licence
CC0 Public Domain
Commercial use
the licence allows it

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 itCarditidae through timeFormations of the MioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Conrad 1867)