Rzehakina
via iDigBio · 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
- RzehakinidaePBDB
- Diet
- omnivorePBDB, for Foraminifera
- Life habit
- semi-infaunalPBDB, for Foraminifera
- Motility
- stationaryPBDB, for Foraminifera
Time the record covers
At least 88 million years on record.
The record covers at least 93.9 Mya to 5.333 Mya. No occurrence read is dated outside 100.5 Mya to 2.58 Mya.
16 occurrences of Rzehakina 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
16 occurrences- Late Cretaceous60%
- Paleocene15%
- Oligocene6%
- Miocene13%
- Pliocene6%
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
2 formations
- Monte Cassio Flysch Formation1
- Abu Qada/Raha Formation1
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The named rock units Rzehakina has been recovered from, largest first. Drawn where the rock is now, not where it formed. 14 occurrences have no formation on record, which is common for older literature.
Rzehakina and its relatives
Late CretaceousWhere Rzehakina and its relatives were recorded in the Late Cretaceous.
Found in the same rock
137 taxa- Bathysiphon6 sites
- Cibicidoides6 sites
- Lenticulina6 sites
- Nodosaria6 sites
- Nothia6 sites
- Psammosiphonella6 sites
- Bolivina5 sites
- Cibicides5 sites
- Haplophragmoides5 sites
- Osangularia5 sites
- Spiroplectammina5 sites
- Trochammina5 sites
- Anomalinoides4 sites
- Bulimina4 sites
- Globocassidulina4 sites
- Kalamopsis4 sites
- Planulina4 sites
- Stilostomellidae4 sites
- Ammosphaeroidina3 sites
- Astacolus3 sites
- Cassidulina3 sites
- Cribrostomoides3 sites
- Dorothia3 sites
- Globorotalites3 sites
The Paleobiology Database records 16 sites for Rzehakina, 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
6 references- Site U15127
- Site U15093
- Site U15083
- Site U15071
- Stratigraphy of the Cenomanian-Turonian Oceanic Anoxic Event OAE2 in shallow shelf sequences of NE Egypt1
- Late Cretaceous flysch-type agglutinated foraminifera from the Northern Italian Apennines1
Each of the 16 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 Rzehakina
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- not stated by the source
- Commercial use
- cannot be read from the licence given — check the record
No 3D scan of Rzehakina 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 itRzehakinidae through timeFormations of the Late CretaceousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Cushman 1927