Hokkaidoconcha

No picture of Hokkaidoconcha was found. Wikidata and iDigBio were searched and had none. Wikipedia and Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Hokkaidoconcha, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
HokkaidoconchidaePBDB
Life habit
epifaunalPBDB, for Gastropoda
Motility
actively mobilePBDB, for Gastropoda
Vision
limitedPBDB, for Gastropoda

Time the record covers

At least 74 million years on record.

The record covers at least 157.9 Mya to 83.6 Mya. No occurrence read is dated outside 159 Mya to 72.2 Mya.

Late Jurassic — about 5 of 12 occurrencesLate JurassicEarly Cretaceous — about 5 of 12 occurrencesEarly CretaceousLate Cretaceous — about 2 of 12 occurrencesLate Cretaceous161–158 Mya — about 1 occurrence152–149 Mya — about 0.3 occurrences149–146 Mya — about 2 occurrences146–143 Mya — about 2 occurrences134–131 Mya — about 0.6 occurrences131–128 Mya — about 0.9 occurrences128–125 Mya — about 0.5 occurrences116–113 Mya — about 0.1 occurrences113–110 Mya — about 0.4 occurrences110–107 Mya — about 0.4 occurrences107–104 Mya — about 0.9 occurrences104–101 Mya — about 0.9 occurrences101–98 Mya — about 0.2 occurrences98–95 Mya — about 0.2 occurrences95–92 Mya — about 0.0 occurrences89–86 Mya — about 0.1 occurrences86–83 Mya — about 1 occurrence83–79 Mya — about 0.3 occurrences79–76 Mya — about 0.3 occurrences76–73 Mya — about 0.3 occurrences73–70 Mya — about 0.1 occurrences157.9 Mya83.6 Mya161 Mya70 Mya

12 occurrences of Hokkaidoconcha 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

12 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

6 formations

Stony Creek — 39.89°N, 122.62°WLodoga — 40.17°N, 122.68°WCortino — 36.74°N, 120.73°WMoreno — 37.13°N, 121.04°WTerres Noires — 44.30°N, 5.20°EUbidepea — 43.39°N, 2.56°W

Loading coastlines…

The named rock units Hokkaidoconcha has been recovered from, largest first. Drawn where the rock is now, not where it formed. 5 occurrences have no formation on record, which is common for older literature.

Hokkaidoconcha and its relatives

Late Jurassic

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

Found in the same rock

71 taxa

The Paleobiology Database records 9 sites for Hokkaidoconcha, 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

4 references

Each of the 12 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 doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content0

No picture of Hokkaidoconcha was found. Wikidata and iDigBio were searched and had none.

Wikipedia and Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.

GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Hokkaidoconcha, or no answer at all. This entry cannot say which.

No 3D scan of Hokkaidoconcha 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.

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

Keep going

What may have been alongside itHokkaidoconchidae through timeFormations of the Late JurassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Kaim et al. 2008