Polymorphina frondea
No picture of Polymorphina frondea 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 Polymorphina frondea, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- PolymorphinaPBDB
- Diet
- omnivorePBDB, for Foraminifera
- Life habit
- semi-infaunalPBDB, for Foraminifera
- Motility
- stationaryPBDB, for Foraminifera
Time the record covers
At most 11 million years on record.
Every occurrence read is dated to somewhere between 72.2 Mya and 61.66 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
4 occurrences of Polymorphina frondea 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
4 occurrences- Late Cretaceous59%
- Paleocene41%
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
- Roca Formation · Malargüe Group4
Loading coastlines…
The named rock units Polymorphina frondea has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Polymorphina frondea and its relatives
Late CretaceousWhere Polymorphina frondea and its relatives were recorded in the Late Cretaceous.
Found in the same rock
20 taxa- Buliminella pulchra3 sites
- Guttulina problema3 sites
- Protelphidium hofkeri3 sites
- Protelphidium sublaeve3 sites
- Palmula budensis rocanense2 sites
- Palmula sp.2 sites
- Polymorphina subrhombica2 sites
- Rosalina cf. ystadiensis2 sites
- Anomalinoides acuta1 site
- Anomalinoides anamariae1 site
- Cibicides vulgaris1 site
- Discorbis midwayensis1 site
- Gyroidina octocamerata1 site
- Nonionella1 site
- Nonionella jacksonensis1 site
- Polymorphina beckerae1 site
- Pseudopolymorphina aff. ligua1 site
- Pulsiphonina prima1 site
- Quinqueloculina1 site
- Sigmomorphina semitecta terquemiana1 site
The Paleobiology Database records 4 sites for Polymorphina frondea, 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 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 the Paleobiology Database's own record for the work.
Media and terms
Media content0
No picture of Polymorphina frondea 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 Polymorphina frondea, or no answer at all. This entry cannot say which.
No 3D scan of Polymorphina frondea 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 itPolymorphina through timeFormations of the Late CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Cushman 1922)