Helmolepis cyphognathus

No picture of Helmolepis cyphognathus 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 Helmolepis cyphognathus, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
HelmolepisPBDB
Motility
actively mobilePBDB, for Osteichthyes

Time the record covers

At most 2.2 million years on record.

Every occurrence read is dated to somewhere between 250.8 Mya and 248.6 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.

Early Triassic — about 4 of 4 occurrencesEarly Triassic251–251 Mya — about 0.1 occurrences251–251 Mya — about 0.2 occurrences251–251 Mya — about 0.2 occurrences251–250 Mya — about 0.2 occurrences250–250 Mya — about 0.2 occurrences250–250 Mya — about 0.2 occurrences250–250 Mya — about 0.2 occurrences250–250 Mya — about 0.2 occurrences250–250 Mya — about 0.2 occurrences250–250 Mya — about 0.2 occurrences250–250 Mya — about 0.2 occurrences250–250 Mya — about 0.2 occurrences250–249 Mya — about 0.2 occurrences249–249 Mya — about 0.2 occurrences249–249 Mya — about 0.2 occurrences249–249 Mya — about 0.2 occurrences249–249 Mya — about 0.2 occurrences249–249 Mya — about 0.2 occurrences249–249 Mya — about 0.2 occurrences249–249 Mya — about 0.2 occurrences249–249 Mya — about 0.2 occurrences249–249 Mya — about 0.1 occurrences251.3 Mya248.1 Mya

4 occurrences of Helmolepis cyphognathus on record, most of them in the Early Triassic. 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

Sulphur Mountain — 54.53°N, 120.74°W

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

Helmolepis cyphognathus and its relatives

Early Triassic

Where Helmolepis cyphognathus and its relatives were recorded in the Early Triassic.

Found in the same rock

21 taxa

The Paleobiology Database records 4 sites for Helmolepis cyphognathus, 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

2 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. 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 Helmolepis cyphognathus 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 Helmolepis cyphognathus, or no answer at all. This entry cannot say which.

No 3D scan of Helmolepis cyphognathus 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 itHelmolepis through timeFormations of the Early TriassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Neuman and Mutter 2005