Placopecten

Placopecten is a genus of scallops, marine bivalve molluscs in the family Pectinidae, the scallops.

Placopecten

Dann Blackwood, USGS · 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
PectinidaePBDB
Diet
suspension feederPBDB, for Pectinidae
Life habit
low-level epifaunalPBDB, for Pectinidae
Motility
facultatively mobilePBDB, for Pectinidae
Vision
limitedPBDB, for Pectinidae
Environment
marinePBDB, for Pectinida

Time the record covers

At least 37 million years on record.

The record covers at least 37.71 Mya to 11.7 ka. No occurrence read is dated outside 41.03 Mya to 0 Mya.

Eocene — about 4 of 36 occurrencesEoceneOligocene — about 1 of 36 occurrencesOligoceneMiocene — about 13 of 36 occurrencesMiocenePliocene — about 11 of 36 occurrencesPleistocene — about 5 of 36 occurrences42–40 Mya — about 0.3 occurrences40–39 Mya — about 0.8 occurrences39–38 Mya — about 0.8 occurrences38–36 Mya — about 0.7 occurrences36–35 Mya — about 0.7 occurrences35–33 Mya — about 0.5 occurrences28–27 Mya — about 0.2 occurrences27–25 Mya — about 0.3 occurrences25–24 Mya — about 0.3 occurrences24–22 Mya — about 0.2 occurrences22–21 Mya — about 0.1 occurrences21–20 Mya — about 0.1 occurrences20–18 Mya — about 0.1 occurrences18–17 Mya — about 0.1 occurrences17–15 Mya — about 0.7 occurrences15–14 Mya — about 1 occurrence14–13 Mya — about 4 occurrences13–11 Mya — about 3 occurrences11–9.8 Mya — about 0.2 occurrences9.8–8.4 Mya — about 0.2 occurrences8.4–7.0 Mya — about 0.5 occurrences7.0–5.6 Mya — about 2 occurrences5.6–4.2 Mya — about 5 occurrences4.2–2.8 Mya — about 6 occurrences2.8–1.4 Mya — about 1 occurrence1.4–0 Mya — about 7 occurrences37.71 Mya11.7 ka41.9 Mya0 Mya

36 occurrences of Placopecten 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

36 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

11 formations

Yorktown — 37.23°N, 76.96°WYorktown — 36.44°N, 77.10°WYorktown — 35.36°N, 76.82°WYorktown — 37.17°N, 76.77°WYorktown — 37.21°N, 76.69°WYorktown — 37.06°N, 76.63°WYorktown — 37.15°N, 76.74°WCalvert — 38.54°N, 76.73°WEastover — 36.44°N, 77.10°WEastover — 37.17°N, 76.77°WTupelo Bay — 33.25°N, 80.45°WTupelo Bay — 33.47°N, 80.49°WChoptank — 38.39°N, 76.57°WSantee Limestone — 33.33°N, 80.15°WCastle Hayne — 34.64°N, 77.65°WOld Church — 37.10°N, 76.39°WChamplain Clay — 44.61°N, 67.93°WEsmeraldas — 0.85°N, 78.98°WSatilla — 31.60°N, 80.79°W

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The named rock units Placopecten has been recovered from, largest first. Drawn where the rock is now, not where it formed. 10 occurrences have no formation on record, which is common for older literature.

Placopecten and its relatives

Miocene

Where Placopecten and its relatives were recorded in the Miocene.

Found in the same rock

880 taxa

The Paleobiology Database records 23 sites for Placopecten, 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

14 references

Each of the 36 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. 2 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 content1

Picture of Placopecten

Credit
Dann Blackwood, USGS
Licence
Public Domain
Commercial use
the licence allows it

No 3D scan of Placopecten was found in Sketchfab.

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 itPectinidae through timeFormations of the MioceneThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Verrill 1897)