Thracia

Thracia is a genus of bivalve mollusc in the family Thraciidae.

Thracia

George Brettingham Sowerby II · 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
ThraciidaePBDB
Diet
suspension feederPBDB, for Thraciidae
Life habit
deep infaunalPBDB
Motility
facultatively mobilePBDB, for Thraciidae
Vision
blindPBDB, for Bivalvia

Time the record covers

At least 241 million years on record.

The record covers at least 241.464 Mya to 11.7 ka. No occurrence read is dated outside 247 Mya to 0 Mya.

Early Triassic — about 0 of 714 occurrencesMiddle Triassic — about 2 of 714 occurrencesLate Triassic — about 10 of 714 occurrencesLate TriassicEarly Jurassic — about 16 of 714 occurrencesEarly JurassicMiddle Jurassic — about 119 of 714 occurrencesLate Jurassic — about 134 of 714 occurrencesEarly Cretaceous — about 40 of 714 occurrencesEarly CretaceousLate Cretaceous — about 42 of 714 occurrencesLate CretaceousPaleocene — about 5 of 714 occurrencesEocene — about 61 of 714 occurrencesEoceneOligocene — about 62 of 714 occurrencesMiocene — about 100 of 714 occurrencesPliocene — about 55 of 714 occurrencesPleistocene — about 64 of 714 occurrences252–244 Mya — about 1.0 occurrences244–235 Mya — about 1 occurrence235–227 Mya — about 2 occurrences227–218 Mya — about 3 occurrences218–210 Mya — about 2 occurrences210–202 Mya — about 2 occurrences202–193 Mya — about 3 occurrences193–185 Mya — about 4 occurrences185–176 Mya — about 8 occurrences176–168 Mya — about 26 occurrences168–160 Mya — about 99 occurrences160–151 Mya — about 55 occurrences151–143 Mya — about 74 occurrences143–134 Mya — about 6 occurrences134–126 Mya — about 13 occurrences126–118 Mya — about 4 occurrences118–109 Mya — about 8 occurrences109–101 Mya — about 9 occurrences101–92 Mya — about 4 occurrences92–84 Mya — about 8 occurrences84–76 Mya — about 4 occurrences76–67 Mya — about 21 occurrences67–59 Mya — about 9 occurrences59–50 Mya — about 3 occurrences50–42 Mya — about 12 occurrences42–34 Mya — about 48 occurrences34–25 Mya — about 41 occurrences25–17 Mya — about 48 occurrences17–8.4 Mya — about 61 occurrences8.4–0 Mya — about 135 occurrences241.464 Mya11.7 ka252 Mya0 Mya

714 occurrences of Thracia on record, most of them in the Late Jurassic. 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

714 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

240 formations

Kap Leslie — 70.48°N, 21.97°WAlcobaca — 39.32°N, 9.35°WAlcobaca — 38.42°N, 9.22°WAlcobaca — 39.52°N, 9.13°WDhruma — 22.50°N, 46.00°EDhruma — 25.53°N, 45.00°EDhruma — 26.92°N, 44.00°EDhruma — 25.17°N, 45.50°EDhruma — 25.37°N, 45.00°EDhruma — 25.78°N, 45.25°EDhruma — 25.05°N, 45.67°EDhruma — 23.97°N, 46.00°EDhruma — 23.08°N, 46.33°EDhruma — 22.83°N, 46.83°EDhruma — 21.88°N, 45.83°EDhruma — 25.37°N, 45.50°EDhruma — 25.70°N, 45.67°EDhruma — 25.97°N, 45.00°EDhruma — 26.20°N, 44.83°EDhruma — 26.33°N, 44.83°ETimms Point Silt — 33.73°N, 118.28°WEugene — 44.05°N, 123.09°WEugene — 44.05°N, 123.02°WEugene — 45.21°N, 123.20°WEugene — 44.04°N, 123.06°WEugene — 44.98°N, 123.21°WEugene — 44.88°N, 123.13°WClallam — 48.23°N, 124.14°WClallam — 48.27°N, 122.25°WClallam — 48.20°N, 122.11°WClallam — 48.26°N, 124.25°WChari — 23.50°N, 70.50°EPico — 33.94°N, 117.89°WPico — 34.36°N, 118.56°WPico — 34.42°N, 118.70°WPico — 34.40°N, 118.44°WPico — 34.35°N, 118.52°WKeasey — 45.74°N, 123.27°WKeasey — 45.75°N, 123.25°WKeasey — 45.72°N, 123.20°WTwin Creek Limestone — 41.95°N, 110.86°WTwin Creek Limestone — 42.51°N, 110.51°WTwin Creek Limestone — 42.33°N, 110.50°WTwin Creek Limestone — 42.20°N, 110.61°WTwin Creek Limestone — 41.95°N, 110.45°WTwin Creek Limestone — 41.95°N, 110.45°WTwin Creek Limestone — 40.42°N, 110.78°WTwin Creek Limestone — 40.52°N, 110.43°WCarmel — 37.36°N, 113.33°WCarmel — 37.21°N, 113.30°WCarmel — 37.27°N, 113.41°WCarmel — 37.92°N, 111.66°WCarmel — 37.38°N, 112.85°WTataouine — 33.00°N, 10.47°EOkarahia Sandstone — 42.57°S, 173.52°EOkarahia Sandstone — 42.55°S, 173.50°ECoralline Crag — 52.03°N, 1.38°ECoralline Crag — 52.75°N, 1.53°ECoralline Crag — 52.12°N, 1.55°ECoralline Crag — 52.07°N, 1.35°ESobral — 39.10°N, 9.27°WOxford Clay — 52.00°N, 1.00°WBlakeley — 47.58°N, 122.48°WBlakeley — 47.95°N, 122.07°WBlakeley — 47.85°N, 122.10°WBerada — 51.10°N, 5.80°ELopez de Bertodano — 64.25°S, 56.75°WLopez de Bertodano — 64.17°S, 57.75°WOwl Creek — 34.93°N, 88.87°WOwl Creek — 34.82°N, 88.88°WPittsburg Bluff — 45.59°N, 123.21°WPittsburg Bluff — 46.13°N, 123.37°WPittsburg Bluff — 45.82°N, 123.18°WPittsburg Bluff — 45.83°N, 123.98°WLillo — 51.25°N, 4.28°EVuache — 46.83°N, 6.52°EKimmeridge Clay — 51.32°N, 2.23°WKimmeridge Clay — 51.74°N, 1.31°WKimmeridge Clay — 51.75°N, 1.18°W

Loading coastlines…

The named rock units Thracia has been recovered from, largest first. Drawn where the rock is now, not where it formed. 216 further formations hold fewer occurrences each and are not listed. 139 occurrences have no formation on record, which is common for older literature.

Thracia and its relatives

Late Jurassic

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

Found in the same rock

2,804 taxa

The Paleobiology Database records 556 sites for Thracia, 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

235 references

Each of the 714 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. 223 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 content3

Picture of Thracia

Credit
George Brettingham Sowerby II
Licence
Public Domain
Commercial use
the licence allows it

CT scan

Licence
not stated by the source
Commercial use
cannot be read from the licence given — check the record
Specimen
Thracia corbuloidea · USNM:IZ:USNM 53692

3D model

Source
Sketchfab
Licence
Free Standard
Commercial use
cannot be read from the licence given — check the record

Smithsonian Open Access was 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 itThraciidae through timeFormations of the Late JurassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Blainville 1824