Heteroschisma alternatus
No picture of Heteroschisma alternatus 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 Heteroschisma alternatus, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- HeteroschismaPBDB
- Diet
- suspension feederPBDB, for Blastoidea
- Life habit
- intermediate-level epifaunalPBDB, for Blastoidea
- Motility
- stationary, attachedPBDB, for Blastoidea
- Vision
- blindPBDB, for Blastoidea
- Environment
- marinePBDB, for Echinodermata
Time the record covers
At most 5.6 million years on record.
The one occurrence read is dated to somewhere between 393.47 Mya and 387.95 Mya, which is a dating window rather than a span.
1 occurrence of Heteroschisma alternatus on record, most of them in the Devonian. 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
1 occurrences- Devonian100%
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
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The named rock units Heteroschisma alternatus has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Heteroschisma alternatus and its relatives
DevonianWhere Heteroschisma alternatus and its relatives were recorded in the Devonian.
Found in the same rock
3 taxa- Codaster americanus1 site
- Codaster pyramidatus1 site
- Elaeacrinus verneuili1 site
The Paleobiology Database records 1 site for Heteroschisma alternatus, 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
1 referenceEach of the 1 occurrence 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 Heteroschisma alternatus 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 Heteroschisma alternatus, 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 itHeteroschisma through timeFormations of the DevonianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Lyon 1857)