Elphidium
Elphidium is an abundant genus of foraminifera. Species can be found from coastal regions out to the continental slope, and in all temperature ranges. Like other forams, fossils from different species are used to date rocks. The taxonomy of the species within this genus is disputed due to the high variability of some species.

Uncredited · Public Domain · via Wikipedia/Commons. 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
- ElphidiinaePBDB
- Diet
- omnivorePBDB
- Life habit
- semi-infaunalPBDB, for Foraminifera
- Motility
- stationaryPBDB, for Foraminifera
Time the record covers
At least 48 million years on record.
The record covers at least 48.07 Mya to 11.7 ka. No occurrence read is dated outside 66 Mya to 0 Mya.
1,708 occurrences of Elphidium on record, most of them in the Pleistocene. The Paleobiology Database records this as a living group. 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
1,708 occurrencesThese 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
73 formations
- Qom Formation Formation106
- Acredale Formation34
- Tortonian Limestone Formation30
- Canepatch Formation10
- Lithothamnion limestone Formation9
- Guitar Formation Formation9
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The named rock units Elphidium has been recovered from, largest first. Drawn where the rock is now, not where it formed. 49 further formations hold fewer occurrences each and are not listed. 1,370 occurrences have no formation on record, which is common for older literature.
Elphidium and its relatives
PleistoceneWhere Elphidium and its relatives were recorded in the Pleistocene.
Found in the same rock
2,693 taxa- Nonion59 sites
- Quinqueloculina57 sites
- Ammonia55 sites
- Lentigodentalium53 sites
- Cibicides lobatulus51 sites
- Varicorbula gibba51 sites
- Venus (Ventricoloidea) multilamella50 sites
- Limopsis (Limopsis) aurita49 sites
- Cibicides48 sites
- Reussirella46 sites
- Uvigerina45 sites
- Astarte (Astarte) radiata44 sites
- Dentalium (Pseudantilis)43 sites
- Limopsis43 sites
- Bolivina41 sites
- Globulina gibba40 sites
- Gouldia (Gouldia) minima40 sites
- Dentalina38 sites
- Saccella westendorpi38 sites
- Parvicardium37 sites
- Spiroplectammina carinata37 sites
- Yoldiella37 sites
- Cyclocardia36 sites
- Scapharca (Scapharca) diluvii36 sites
The Paleobiology Database records 1,288 sites for Elphidium, and this reads 240 of them. Of that, one read hit the database's own return limit, so every count below is a floor rather than a total. 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
164 references- Site U1462116
- Sedimentary facies and depositional environments of the Oligocene–early Miocene marine Qom Formation, Central Iran Back-Arc Basin, Iran (northeastern margin of the Tethyan Seaway)106
- Site U1343106
- Site U134494
- Die Fauna des marinen Miozäns von Kevelaer (Niederrhein). Band 1 Foraminiferen, Anthozoen.92
- Site U146184
- Site U133980
- Site U135362
- Site U141847
- Site U146443
- Site U135241
- Site U142037
Each of the 1,708 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. 152 further references are not listed. 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 content3
Picture of Elphidium
- Source
- Wikipedia/Commons
- Credit
- nobody named on the record
- Licence
- Public Domain
- Commercial use
- the licence allows it
CT scan
- Source
- MorphoSource
- Licence
- not stated by the source
- Commercial use
- cannot be read from the licence given — check the record
- Specimen
- Elphidium sp. · l-cb
3D model
- Source
- Sketchfab
- Credit
- BelangerForamLab
- Licence
- CC Attribution-NonCommercial
- Commercial use
- the licence does not allow it
Smithsonian Open Access was not reached for this taxon, so this list is what the others held rather than everything there is.
The description on this site
- Source
- Wikipedia, “Elphidium”
- Licence
- CC BY-SA 4.0
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itElphidiinae through timeFormations of the PleistoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Monfort 1808