Heminajas fissidentata

No picture of Heminajas fissidentata 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 Heminajas fissidentata, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
HeminajasPBDB
Diet
suspension feederPBDB, for Trigoniida
Life habit
infaunalPBDB, for Trigoniida
Motility
facultatively mobilePBDB, for Trigoniida
Vision
blindPBDB, for Bivalvia

Time the record covers

At least 3.4 million years on record.

The record covers at least 237 Mya to 233.6 Mya. No occurrence read is dated outside 241.464 Mya to 227.3 Mya.

Middle Triassic — about 14 of 27 occurrencesMiddle TriassicLate Triassic — about 13 of 27 occurrencesLate Triassic242–241 Mya — about 0.0 occurrences241–241 Mya — about 1 occurrence241–240 Mya — about 1 occurrence240–240 Mya — about 1 occurrence240–239 Mya — about 1 occurrence239–239 Mya — about 2 occurrences239–238 Mya — about 2 occurrences238–238 Mya — about 2 occurrences238–237 Mya — about 2 occurrences237–237 Mya — about 2 occurrences237–236 Mya — about 1 occurrence236–236 Mya — about 1 occurrence236–235 Mya — about 1 occurrence235–235 Mya — about 1 occurrence235–234 Mya — about 1 occurrence234–234 Mya — about 1 occurrence234–233 Mya — about 0.8 occurrences233–233 Mya — about 0.5 occurrences233–232 Mya — about 0.5 occurrences232–232 Mya — about 0.5 occurrences232–231 Mya — about 0.5 occurrences231–231 Mya — about 0.5 occurrences231–230 Mya — about 0.5 occurrences230–230 Mya — about 0.5 occurrences230–229 Mya — about 0.5 occurrences229–229 Mya — about 0.5 occurrences229–228 Mya — about 0.5 occurrences228–228 Mya — about 0.5 occurrences228–227 Mya — about 0.5 occurrences227–227 Mya — about 0.0 occurrences237 Mya233.6 Mya242 Mya226.8 Mya

27 occurrences of Heminajas fissidentata on record. 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

27 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

8 formations

Schlern — 46.51°N, 11.57°EGorno — 45.87°N, 9.87°ERaibl — 47.36°N, 11.48°ERaibl — 47.33°N, 11.46°ERaibl — 47.28°N, 11.25°ERaibl — 47.56°N, 12.21°ERaibl — 47.47°N, 11.13°ERaibl — 47.41°N, 11.06°ERio del Lago — 46.43°N, 13.57°ECassian — 46.54°N, 11.62°ERaibl — 46.51°N, 11.58°ELunz — 47.32°N, 11.29°E

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The named rock units Heminajas fissidentata has been recovered from, largest first. Drawn where the rock is now, not where it formed.

Found in the same rock

303 taxa

The Paleobiology Database records 10 sites for Heminajas fissidentata, 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

6 references

Each of the 27 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. 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 content0

No picture of Heminajas fissidentata 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 Heminajas fissidentata, or no answer at all. This entry cannot say which.

No 3D scan of Heminajas fissidentata 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 itHeminajas through timeThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (von Wöhrmann 1889)