Polytremacis tenera

No picture of Polytremacis tenera 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 Polytremacis tenera, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
PolytremacisPBDB
Diet
suspension feederPBDB, for Helioporacea
Life habit
epifaunalPBDB, for Helioporacea
Motility
stationary, attachedPBDB, for Helioporacea
Vision
blindPBDB, for Anthozoa
Environment
marinePBDB, for Helioporacea

Time the record covers

At least 19 million years on record.

The record covers at least 119.57 Mya to 100.5 Mya. No occurrence read is dated outside 121.4 Mya to 83.6 Mya.

Early Cretaceous — about 1 of 2 occurrencesEarly CretaceousLate Cretaceous — about 1 of 2 occurrencesLate Cretaceous122–121 Mya — about 0.3 occurrences121–120 Mya — about 0.7 occurrences101–100 Mya — about 0.0 occurrences100–99 Mya — about 0.1 occurrences99–97 Mya — about 0.1 occurrences97–96 Mya — about 0.1 occurrences96–95 Mya — about 0.1 occurrences95–93 Mya — about 0.1 occurrences93–92 Mya — about 0.1 occurrences92–91 Mya — about 0.1 occurrences91–89 Mya — about 0.1 occurrences89–88 Mya — about 0.1 occurrences88–87 Mya — about 0.1 occurrences87–85 Mya — about 0.1 occurrences85–84 Mya — about 0.1 occurrences84–83 Mya — about 0.0 occurrences119.57 Mya100.5 Mya122.2 Mya82.8 Mya

2 occurrences of Polytremacis tenera on record, most of them in the Early 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

2 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.

Polytremacis tenera and its relatives

Early Cretaceous

Where Polytremacis tenera and its relatives were recorded in the Early Cretaceous.

Found in the same rock

54 taxa

The Paleobiology Database records 2 sites for Polytremacis tenera, 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

2 references

Each of the 2 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 Polytremacis tenera 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 Polytremacis tenera, or no answer at all. This entry cannot say which.

No 3D scan of Polytremacis tenera 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 itPolytremacis through timeFormations of the Early CretaceousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. (Trauth 1911)