Stegaster

Stegaster

via iDigBio · CC BY · via iDigBio. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.

On record

Recorded, not inferred
Sits inside
StegasteridaePBDB
Diet
detritivorePBDB, for Holasteroida
Life habit
semi-infaunalPBDB, for Holasteroida
Motility
actively mobilePBDB, for Holasteroida
Vision
limitedPBDB, for Echinoidea
Environment
marinePBDB, for Holasteroida

Time the record covers

At least 6.2 million years on record.

The record covers at least 72.2 Mya to 66 Mya. No occurrence read is dated outside 83.6 Mya to 61.66 Mya.

Late Cretaceous — about 7 of 8 occurrencesLate CretaceousPaleocene — about 1 of 8 occurrencesPaleocene84–83 Mya — about 0.1 occurrences83–83 Mya — about 0.3 occurrences83–82 Mya — about 0.3 occurrences82–81 Mya — about 0.3 occurrences81–80 Mya — about 0.3 occurrences80–80 Mya — about 0.3 occurrences80–79 Mya — about 0.3 occurrences79–78 Mya — about 0.3 occurrences78–77 Mya — about 0.3 occurrences77–76 Mya — about 0.3 occurrences76–76 Mya — about 0.3 occurrences76–75 Mya — about 0.3 occurrences75–74 Mya — about 0.3 occurrences74–73 Mya — about 0.3 occurrences73–73 Mya — about 0.3 occurrences73–72 Mya — about 0.3 occurrences72–71 Mya — about 0.2 occurrences71–70 Mya — about 0.2 occurrences70–70 Mya — about 0.2 occurrences70–69 Mya — about 0.2 occurrences69–68 Mya — about 0.2 occurrences68–67 Mya — about 0.2 occurrences67–67 Mya — about 0.2 occurrences67–66 Mya — about 0.2 occurrences66–65 Mya — about 0.2 occurrences65–64 Mya — about 0.2 occurrences64–63 Mya — about 0.2 occurrences63–63 Mya — about 0.2 occurrences63–62 Mya — about 0.2 occurrences62–61 Mya — about 0.1 occurrences72.2 Mya66 Mya84.1 Mya61.2 Mya

8 occurrences of Stegaster on record, most of them in the Late Cretaceous. 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

8 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

Cabo de Lata — 42.91°N, 1.82°W

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The named rock units Stegaster has been recovered from, largest first. Drawn where the rock is now, not where it formed. 5 occurrences have no formation on record, which is common for older literature.

Stegaster and its relatives

Late Cretaceous

Where Stegaster and its relatives were recorded in the Late Cretaceous.

Found in the same rock

61 taxa

The Paleobiology Database records 6 sites for Stegaster, 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

3 references

Each of the 8 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 content1

Picture of Stegaster

Source
iDigBio
Credit
via iDigBio
Licence
CC BY
Commercial use
the licence allows it

No 3D scan of Stegaster 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 itStegasteridae through timeFormations of the Late CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Pomel 1883