Helichthys

Helichthys is an extinct genus of prehistoric freshwater ray-finned fish that lived during the Early Triassic epoch in what is now South Africa.

No picture of Helichthys was found. Wikipedia, Wikidata and iDigBio were searched and had none. 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 Helichthys, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
RedfieldiidaePBDB
Diet
carnivorePBDB, for Palaeonisciformes
Life habit
nektonicPBDB, for Palaeonisciformes
Motility
actively mobilePBDB, for Palaeonisciformes

Time the record covers

At least 61 million years on record.

The record covers at least 298.9 Mya to 237 Mya. No occurrence read is dated outside 303.7 Mya to 201.4 Mya.

Carboniferous — about 2 of 4 occurrencesPermian — about 0 of 4 occurrencesEarly Triassic — about 0 of 4 occurrencesMiddle Triassic — about 0 of 4 occurrencesLate Triassic — about 2 of 4 occurrencesLate TriassicEarly Jurassic — about 0 of 4 occurrences306–302 Mya — about 0.6 occurrences302–299 Mya — about 1 occurrence238–235 Mya — about 0.1 occurrences235–231 Mya — about 0.2 occurrences231–228 Mya — about 0.2 occurrences228–224 Mya — about 0.2 occurrences224–221 Mya — about 0.2 occurrences221–217 Mya — about 0.2 occurrences217–214 Mya — about 0.2 occurrences214–210 Mya — about 0.2 occurrences210–206 Mya — about 0.2 occurrences206–203 Mya — about 0.2 occurrences203–199 Mya — about 0.1 occurrences298.9 Mya237 Mya306 Mya199 Mya

4 occurrences of Helichthys 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

4 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

1 formation

Ganigobis — 25.88°S, 18.00°E

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The named rock units Helichthys has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.

Found in the same rock

19 taxa

The Paleobiology Database records 3 sites for Helichthys, and this reads all of them. The number is how many of those sites it was catalogued from too.

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

3 references

Each of the 4 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 Helichthys was found. Wikipedia, Wikidata and iDigBio were searched and had none.

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 Helichthys, or no answer at all. This entry cannot say which.

No 3D scan of Helichthys 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.

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 itRedfieldiidae through timeThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Broom 1913