Tetrarca washingtoniana
No picture of Tetrarca washingtoniana 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 Tetrarca washingtoniana, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- TetrarcaPBDB
- Diet
- suspension feederPBDB, for Arcoidea
- Life habit
- semi-infaunalPBDB, for Arcoidea
- Motility
- facultatively mobilePBDB, for Arcoidea
- Vision
- limitedPBDB, for Cucullaeidae
Time the record covers
At most 15 million years on record.
Every occurrence read is dated to somewhere between 37.71 Mya and 23.04 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
6 occurrences of Tetrarca washingtoniana on record, most of them in the Eocene. 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
6 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
2 formations
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The named rock units Tetrarca washingtoniana has been recovered from, largest first. Drawn where the rock is now, not where it formed. 3 occurrences have no formation on record, which is common for older literature.
Tetrarca washingtoniana and its relatives
EoceneWhere Tetrarca washingtoniana and its relatives were recorded in the Eocene.
Found in the same rock
109 taxa- Chlamys grunskyi3 sites
- Conus ruckmani3 sites
- Echinophoria dalli3 sites
- Lima bella3 sites
- Porterius gabbi3 sites
- Pseudocardium packardi3 sites
- Solen townsendensis3 sites
- Acmaea ocitatia2 sites
- Acmaea simplex2 sites
- Acrilla (Ferminoscala) dickersoni2 sites
- Acteon parvum2 sites
- Acutostrea griesensis2 sites
- Bittium howardi2 sites
- Caryocorbula cowlitzensis2 sites
- Cerithiopsis merriami2 sites
- Cerithiopsis washingtoniana2 sites
- Chama grunskyi2 sites
- Crassatella perrini2 sites
- Cylichnina turneri2 sites
- Epitonium (Boreoscala) condoni2 sites
- Exilia weaveri2 sites
- Fusinus gesteri2 sites
- Gari martini2 sites
- Glans weaveri2 sites
The Paleobiology Database records 4 sites for Tetrarca washingtoniana, 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
5 references- Megafaunal zones of the Oligocene of northwestern Washington2
- The Gries Ranch Fauna (Oligocene) of Western Washington1
- Pelecypoda from the Marine Oligocene of Western North America1
- Paleontology of the Oligocene of the Chehalis Valley, Washington1
- Climate and its influence upon the Oligocene faunas of the Pacific Coast, with descriptions of some new species from the Molopophorus lincolnensis Zone1
Each of the 6 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 Tetrarca washingtoniana 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 Tetrarca washingtoniana, or no answer at all. This entry cannot say which.
No 3D scan of Tetrarca washingtoniana 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 itTetrarca through timeFormations of the EoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Dickerson 1917)