Dacromya

Dacromya

Yale Peabody Museum · CC0 · 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
NuculanidaePBDB
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 least 108 million years on record.

The record covers at least 251.902 Mya to 143.1 Mya. No occurrence read is dated outside 254.14 Mya to 137.05 Mya.

Permian — about 2 of 64 occurrencesEarly Triassic — about 9 of 64 occurrencesMiddle Triassic — about 12 of 64 occurrencesLate Triassic — about 6 of 64 occurrencesLate TriassicEarly Jurassic — about 27 of 64 occurrencesEarly JurassicMiddle Jurassic — about 4 of 64 occurrencesMiddle JurassicLate Jurassic — about 3 of 64 occurrencesLate JurassicEarly Cretaceous — about 1 of 64 occurrences256–252 Mya — about 2 occurrences252–248 Mya — about 6 occurrences248–244 Mya — about 9 occurrences244–240 Mya — about 3 occurrences240–236 Mya — about 3 occurrences236–232 Mya — about 0.8 occurrences232–228 Mya — about 0.8 occurrences228–224 Mya — about 0.3 occurrences224–220 Mya — about 0.2 occurrences220–216 Mya — about 0.2 occurrences216–212 Mya — about 1 occurrence212–208 Mya — about 0.3 occurrences208–204 Mya — about 1 occurrence204–200 Mya — about 2 occurrences200–196 Mya — about 0.1 occurrences196–192 Mya — about 2 occurrences192–187 Mya — about 5 occurrences187–183 Mya — about 13 occurrences183–179 Mya — about 6 occurrences171–167 Mya — about 0.7 occurrences167–163 Mya — about 2 occurrences163–159 Mya — about 2 occurrences159–155 Mya — about 2 occurrences155–151 Mya — about 0.8 occurrences151–147 Mya — about 0.3 occurrences147–143 Mya — about 0.0 occurrences143–139 Mya — about 0.7 occurrences139–135 Mya — about 0.3 occurrences251.902 Mya143.1 Mya256 Mya135 Mya

64 occurrences of Dacromya on record, most of them in the Early 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

64 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

21 formations

São Gião — 40.06°N, 8.46°WBarahona Limestone — 40.67°N, 1.20°WNekuchan — 63.15°N, 139.24°ETataouine — 33.00°N, 10.47°EZhitkov — 43.03°N, 131.93°EZhitkov — 42.93°N, 131.92°ETumul — 73.00°N, 119.82°EUlakhan-Krest — 71.81°N, 127.24°EUlakhan-Krest — 71.74°N, 127.82°EYuat — 4.99°S, 143.97°ELuolou — 24.36°N, 107.33°ELuolou — 24.81°N, 106.55°EDaye — 25.58°N, 106.76°EAmaltheenton — 49.79°N, 11.04°EAmaltheenton — 50.06°N, 10.79°EKimmeridge Clay — 51.32°N, 2.23°WSot de Chera — 41.47°N, 1.42°WKarazin — 43.03°N, 131.93°ETucks Bay — 46.55°S, 169.51°EPounawea — 46.45°S, 169.70°EHabo beds — 23.20°N, 69.80°EKaradan — 69.37°N, 126.83°EWestbury — 51.17°N, 3.27°WBlue Lias — 51.17°N, 3.27°WVostochnotaimyrskaya — 74.89°N, 107.99°E

Loading coastlines…

The named rock units Dacromya has been recovered from, largest first. Drawn where the rock is now, not where it formed. 19 occurrences have no formation on record, which is common for older literature.

Dacromya and its relatives

Early Jurassic

Where Dacromya and its relatives were recorded in the Early Jurassic.

Found in the same rock

364 taxa

The Paleobiology Database records 51 sites for Dacromya, 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

23 references

Each of the 64 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. 11 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 Dacromya

Source
GBIF
Credit
Yale Peabody Museum
Licence
CC0
Commercial use
the licence allows it

No 3D scan of Dacromya 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.

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itNuculanidae through timeFormations of the Early JurassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Agassiz 1840