Leptaena quadrilatera
No picture of Leptaena quadrilatera was found. Wikidata and iDigBio were searched and had none. Wikipedia and 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 Leptaena quadrilatera, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- LeptaenaPBDB
- Diet
- suspension feederPBDB, for Leptaena
- Life habit
- epifaunalPBDB, for Leptaena
- Motility
- stationaryPBDB, for Leptaena
- Vision
- blindPBDB, for Strophomenata
- Environment
- marinePBDB, for Lophophorata
Time the record covers
At least 22 million years on record.
The record covers at least 445.5 Mya to 422.7 Mya. No occurrence read is dated outside 449.6 Mya to 393.47 Mya.
60 occurrences of Leptaena quadrilatera on record, most of them in the Ordovician. 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
60 occurrences- Ordovician77%
- Silurian22%
- Devonian1%
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
4 formations
Loading coastlines…
The named rock units Leptaena quadrilatera has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.
Leptaena quadrilatera and its relatives
OrdovicianWhere Leptaena quadrilatera and its relatives were recorded in the Ordovician.
Found in the same rock
65 taxa- Eochonetes glabra28 sites
- Coolinia gamachiana23 sites
- Sowerbyella (Eochonetes)21 sites
- Hebertella maria18 sites
- Onniella tricapitata17 sites
- Eospirigerina16 sites
- Plaesiomys anticostiensis15 sites
- Mendacella uberis12 sites
- Hindella umbonata11 sites
- Barbarorthis laurentina10 sites
- Aphanomena planoconvexa7 sites
- Vinlandostrophia regularis7 sites
- Hypsiptycha anticostiensis6 sites
- Vellamo diversa6 sites
- Isorthis (Ovalella) natiscotekia5 sites
- Craniops4 sites
- Eostrophonella semiovalis4 sites
- Parastrophinella4 sites
- Retrorsirostra carleyi4 sites
- Bryozoa3 sites
- Hindella3 sites
- Parastrophinella reversa3 sites
- Archeochonetes muirwoodae2 sites
- Atrypa reticularis2 sites
The Paleobiology Database records 60 sites for Leptaena quadrilatera, 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
3 references- Late Ordovician and Early Silurian strophomenid brachiopods of Anticosti Island, Quebec, Canada52
- Late Ordovician Orthide and Billingsellide Brachiopods from Anticosti Island, Eastern Canada: Diversity Change Through Mass Extinction6
- Correlation of the African Silurian rocks2
Each of the 60 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 content0
No picture of Leptaena quadrilatera was found. Wikidata and iDigBio were searched and had none.
Wikipedia and 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 Leptaena quadrilatera, or no answer at all. This entry cannot say which.
No 3D scan of Leptaena quadrilatera 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 itLeptaena through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Shaler 1865