Oxytoma inequivalvis

Oxytoma inequivalvis

via iDigBio · CC BY · 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
OxytomaPBDB
Diet
suspension feederPBDB, for Oxytoma
Life habit
epifaunalPBDB, for Oxytoma
Motility
stationary, attachedPBDB, for Oxytoma
Vision
blindPBDB, for Bivalvia
Environment
marinePBDB, for Pectinida

Time the record covers

At least 56 million years on record.

The record covers at least 205.7 Mya to 149.2 Mya. No occurrence read is dated outside 227.3 Mya to 143.1 Mya.

Late Triassic — about 21 of 303 occurrencesLate TriassicEarly Jurassic — about 198 of 303 occurrencesEarly JurassicMiddle Jurassic — about 39 of 303 occurrencesMiddle JurassicLate Jurassic — about 45 of 303 occurrencesLate JurassicEarly Cretaceous — about 0 of 303 occurrences229–226 Mya — about 0.2 occurrences226–223 Mya — about 0.4 occurrences223–220 Mya — about 0.4 occurrences220–217 Mya — about 0.4 occurrences217–214 Mya — about 0.4 occurrences214–211 Mya — about 0.4 occurrences211–209 Mya — about 0.4 occurrences209–206 Mya — about 0.6 occurrences206–203 Mya — about 12 occurrences203–200 Mya — about 12 occurrences200–197 Mya — about 23 occurrences197–194 Mya — about 25 occurrences194–191 Mya — about 31 occurrences191–188 Mya — about 35 occurrences188–185 Mya — about 35 occurrences185–182 Mya — about 32 occurrences182–179 Mya — about 5 occurrences179–176 Mya — about 3 occurrences176–174 Mya — about 3 occurrences174–171 Mya — about 3 occurrences171–168 Mya — about 8 occurrences168–165 Mya — about 8 occurrences165–162 Mya — about 15 occurrences162–159 Mya — about 5 occurrences159–156 Mya — about 2 occurrences156–153 Mya — about 2 occurrences153–150 Mya — about 3 occurrences150–147 Mya — about 12 occurrences147–144 Mya — about 16 occurrences144–141 Mya — about 7 occurrences205.7 Mya149.2 Mya229 Mya141 Mya

303 occurrences of Oxytoma inequivalvis 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

303 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

53 formations

Kap Leslie — 70.48°N, 21.97°WWhitby Mudstone — 54.45°N, 0.57°WChari — 23.50°N, 70.50°ELower Lias — 51.80°N, 1.88°WCape Stewart Beds — 70.44°N, 22.64°WCape Stewart Beds — 70.46°N, 22.71°WCape Stewart Beds — 70.47°N, 22.64°WKossen — 47.55°N, 12.17°EKossen — 47.47°N, 11.65°EKossen — 47.66°N, 12.45°EKossen — 47.58°N, 12.57°EMaude — 53.20°N, 132.05°WMaude — 53.17°N, 132.03°WMaude — 53.42°N, 132.27°WCleveland Ironstone — 54.45°N, 0.57°WKoessen — 47.00°N, 13.00°EKoessen — 47.71°N, 13.20°EKoessen — 47.67°N, 12.70°EFernie — 52.35°N, 117.05°WFernie — 53.57°N, 116.43°WFernie — 49.52°N, 115.08°WFernie — 50.62°N, 115.17°WFernie — 51.92°N, 115.43°WFernie — 50.10°N, 122.98°WCape Stewart — 70.45°N, 22.65°WCape Stewart — 70.44°N, 22.65°WCape Stewart — 70.47°N, 22.36°WCape Stewart — 70.46°N, 22.33°WFjerritslev — 56.56°N, 10.01°EAmaltheenton — 49.79°N, 11.04°EAmaltheenton — 52.25°N, 7.85°EAmaltheenton — 52.05°N, 8.30°EAmaltheenton — 49.35°N, 11.36°EPiedra Pintada — 39.97°S, 70.47°WPiedra Pintada — 40.02°S, 70.33°WPiedra Pintada — 40.15°S, 70.37°WAgardhfjellet — 78.10°N, 13.91°EBlue Lias — 50.00°N, 2.00°WPuchenque — 35.10°S, 70.10°WPuchenque — 35.43°S, 69.92°WOxford Clay — 52.00°N, 1.00°WDhruma — 24.23°N, 46.58°EDhruma — 22.83°N, 46.83°ECold Fish Volcanics — 57.50°N, 128.90°WPhantom Creek — 53.39°N, 132.26°WHabo beds — 23.20°N, 69.80°EÁgua de Madeiros — 39.73°N, 9.04°WBelemnite Marls — 50.73°N, 2.87°W

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The named rock units Oxytoma inequivalvis has been recovered from, largest first. Drawn where the rock is now, not where it formed. 29 further formations hold fewer occurrences each and are not listed. 112 occurrences have no formation on record, which is common for older literature.

Oxytoma inequivalvis and its relatives

Early Jurassic

Where Oxytoma inequivalvis and its relatives were recorded in the Early Jurassic.

Found in the same rock

869 taxa

The Paleobiology Database records 270 sites for Oxytoma inequivalvis, 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

56 references

Each of the 303 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. 44 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 Oxytoma inequivalvis

Source
iDigBio
Credit
via iDigBio
Licence
CC BY
Commercial use
the licence allows it

No 3D scan of Oxytoma inequivalvis 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 itOxytoma through timeFormations of the Early JurassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Sowerby 1819)