Helenolepis
No picture of Helenolepis was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Helenolepis, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- HelenolepididaePBDB
- Motility
- actively mobilePBDB, for Chordata
Time the record covers
At least 4 million years on record.
The record covers at least 426.7 Mya to 422.7 Mya. No occurrence read is dated outside 432.9 Mya to 393.47 Mya.
5 occurrences of Helenolepis on record, most of them in the Silurian. 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
5 occurrencesThese 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
2 formations
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The named rock units Helenolepis has been recovered from, largest first. Drawn where the rock is now, not where it formed. 1 occurrence has no formation on record, which is common for older literature.
Helenolepis and its relatives
SilurianWhere Helenolepis and its relatives were recorded in the Silurian.
Found in the same rock
18 taxa- Elegestolepis2 sites
- Anthinocrinus1 site
- Exaesiodiscus1 site
- Fistulipora1 site
- Hallopora1 site
- Hemitoechia1 site
- Isorthis1 site
- Leioclema1 site
- Lingula1 site
- Lingula minima1 site
- Nuculites1 site
- Ostracoda1 site
- Paracyclas1 site
- Talimaalepis kadvoiensis1 site
- Tannuaspis levenkoi1 site
- Tannuspirifer1 site
- Tuvaella1 site
- Tuvaspis margaritae1 site
The Paleobiology Database records 3 sites for Helenolepis, 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- Silurian and Devonian thelodonts of the USSR and Spitsbergen3
- Silurian brachiopod communities of Tuva2
Each of the 5 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 the Paleobiology Database's own record for the work.
Media and terms
Media content0
No picture of Helenolepis was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Helenolepis, or no answer at all. This entry cannot say which.
No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itHelenolepididae through timeFormations of the SilurianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Karatajute-Talimaa 1978