Placunopsis

Placunopsis

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
Sits inside
PlacunopsidaePBDB
Diet
suspension feederPBDB
Life habit
epifaunal, gregariousPBDB
Motility
stationary, attachedPBDB
Vision
blindPBDB, for Bivalvia
Environment
marine,brackishPBDB, for Ostreida

Time the record covers

At least 182 million years on record.

The record covers at least 248.6 Mya to 66 Mya. No occurrence read is dated outside 250.8 Mya to 61.66 Mya.

Permian — about 0 of 373 occurrencesEarly Triassic — about 5 of 373 occurrencesMiddle Triassic — about 68 of 373 occurrencesLate Triassic — about 44 of 373 occurrencesLate TriassicEarly Jurassic — about 67 of 373 occurrencesEarly JurassicMiddle Jurassic — about 69 of 373 occurrencesLate Jurassic — about 79 of 373 occurrencesLate JurassicEarly Cretaceous — about 15 of 373 occurrencesEarly CretaceousLate Cretaceous — about 25 of 373 occurrencesLate CretaceousPaleocene — about 1 of 373 occurrences255–248 Mya — about 3 occurrences248–241 Mya — about 35 occurrences241–235 Mya — about 42 occurrences235–228 Mya — about 19 occurrences228–222 Mya — about 7 occurrences222–215 Mya — about 5 occurrences215–209 Mya — about 3 occurrences209–202 Mya — about 3 occurrences202–196 Mya — about 8 occurrences196–189 Mya — about 21 occurrences189–182 Mya — about 34 occurrences182–176 Mya — about 4 occurrences176–169 Mya — about 12 occurrences169–163 Mya — about 52 occurrences163–156 Mya — about 32 occurrences156–150 Mya — about 36 occurrences150–143 Mya — about 17 occurrences143–137 Mya — about 2 occurrences137–130 Mya — about 0.8 occurrences130–123 Mya — about 2 occurrences123–117 Mya — about 5 occurrences117–110 Mya — about 2 occurrences110–104 Mya — about 3 occurrences104–97 Mya — about 3 occurrences97–91 Mya — about 2 occurrences84–78 Mya — about 0.9 occurrences78–71 Mya — about 5 occurrences71–64 Mya — about 16 occurrences64–58 Mya — about 0.6 occurrences248.6 Mya66 Mya255 Mya58 Mya

373 occurrences of Placunopsis on record, most of them in the Late Jurassic. 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

373 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

113 formations

Qingyan — 26.33°N, 106.68°EChari — 23.50°N, 70.50°EKap Leslie — 70.48°N, 21.97°WCalcaires pseudo-oolithiques superieurs — 49.83°N, 4.20°ECalcaires pseudo-oolithiques superieurs — 49.88°N, 4.09°ECalcaires pseudo-oolithiques superieurs — 49.63°N, 4.92°ECalcaires pseudo-oolithiques superieurs — 49.88°N, 4.04°ECalcaires pseudo-oolithiques superieurs — 49.60°N, 4.96°ECalcaires pseudo-oolithiques superieurs — 49.64°N, 4.73°EHornos-Siles — 38.38°N, 2.58°WHornos-Siles — 38.20°N, 2.73°WHornos-Siles — 38.17°N, 2.75°WMuschelkalk — 38.42°N, 0.65°WArgiles a Lopha gregarea — 49.30°N, 0.07°WTrigonia clavellata — 50.80°N, 2.28°WTrigonia clavellata — 50.60°N, 2.45°WLefipan — 43.04°S, 69.33°WLefipan — 42.84°S, 69.71°WBlue Lias — 50.00°N, 2.00°WBlue Lias — 50.80°N, 3.03°WCape Stewart Beds — 70.44°N, 22.64°WCape Stewart Beds — 70.46°N, 22.71°WCape Stewart Beds — 70.47°N, 22.64°WLower Lias — 51.80°N, 1.88°WOsmington Oolite — 51.75°N, 1.25°WOsmington Oolite — 50.63°N, 2.37°WOsmington Oolite — 50.60°N, 2.45°WNothe Grits — 50.80°N, 2.28°WTrochitenkalk — 51.63°N, 9.03°ETrochitenkalk — 50.75°N, 8.50°ETrochitenkalk — 49.17°N, 10.02°ETrochitenkalk — 49.24°N, 8.91°ELealt Shale — 56.92°N, 6.15°WEboshi — 32.32°N, 130.35°EEboshi — 32.34°N, 130.36°EAlcobaca — 39.32°N, 9.35°WAlcobaca — 39.52°N, 9.13°Wopoka — 51.32°N, 21.95°Eopoka — 51.00°N, 21.00°EWhite Limestone — 51.75°N, 1.17°WPiedra Pintada — 40.13°S, 70.27°WPiedra Pintada — 39.97°S, 70.47°WPiedra Pintada — 39.87°S, 70.48°WTurmiel — 40.43°N, 1.42°WTurmiel — 40.40°N, 1.50°WGoradongar — 23.50°N, 70.50°ECassian — 46.52°N, 11.96°ECassian — 46.53°N, 11.92°ECassian — 46.57°N, 11.94°E

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The named rock units Placunopsis has been recovered from, largest first. Drawn where the rock is now, not where it formed. 89 further formations hold fewer occurrences each and are not listed. 120 occurrences have no formation on record, which is common for older literature.

Placunopsis and its relatives

Late Jurassic

Where Placunopsis and its relatives were recorded in the Late Jurassic.

Found in the same rock

1,950 taxa

The Paleobiology Database records 310 sites for Placunopsis, and this reads 240 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

127 references

Each of the 373 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. 115 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 Placunopsis

Source
iDigBio
Credit
via iDigBio
Licence
CC0
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 itPlacunopsidae through timeFormations of the Late JurassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Morris and Lycett 1853)