Oligorhynchia

via iDigBio · CC0 · 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
- OligorhynchiidaePBDB
- Diet
- suspension feederPBDB, for Rhynchonellida
- Life habit
- epifaunalPBDB, for Rhynchonellida
- Motility
- stationaryPBDB, for Rhynchonellida
- Vision
- blindPBDB, for Rhynchonellata
- Environment
- marinePBDB, for Lophophorata
Time the record covers
At least 12 million years on record.
The record covers at least 452.5 Mya to 440.5 Mya. No occurrence read is dated outside 457.3 Mya to 438.6 Mya.
8 occurrences of Oligorhynchia 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
8 occurrences- Ordovician88%
- Silurian13%
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
7 formations
- Craighead Formation · Ardwell Group2
- Newlands Formation1
- Ardwell Farm Formation · Ardwell Group1
- Balclatchie Formation · Ardmillan Group1
- Lincolnshire Formation1
- Fleanor Mill Formation1
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The named rock units Oligorhynchia has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Oligorhynchia and its relatives
OrdovicianWhere Oligorhynchia and its relatives were recorded in the Ordovician.
Found in the same rock
143 taxa- Eodinobolus dixonensis3 sites
- Glyptorthis balclatchiensis3 sites
- Oxoplecia andersoni3 sites
- Anisopleurella2 sites
- Anoptambonites2 sites
- Anoptambonites grayae2 sites
- Bilobia etheridgei2 sites
- Bimuria youngiana2 sites
- Catazyga arcana2 sites
- Christiania bilobata2 sites
- Craigella grayiae2 sites
- Drepanorhyncha calva2 sites
- Eoplectodonta (Eoplectodonta) semirugata2 sites
- Hesperorthis craigensis2 sites
- Idiospira cuneatella2 sites
- Metacamarella balclatchiensis2 sites
- Mimella2 sites
- Oxoplecia subborealis2 sites
- Petrocrania2 sites
- Pionodema girvaniensis2 sites
- Rhipidomena mesleri2 sites
- Rostricellula ardmillanensis2 sites
- Schizotreta2 sites
- Sulevorthis playfairi2 sites
The Paleobiology Database records 8 sites for Oligorhynchia, 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- The Barr and lower Ardmillan series (Caradoc) of the Girvan District, south-west Ayrshire, with descriptions of the Brachiopoda4
- Chazyan and related brachiopods3
- The Middle Llandovery brachiopod Fauna of the Newlands Formation, Girvan, Scotland1
Each of the 8 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 Oligorhynchia
- Source
- iDigBio
- Credit
- via iDigBio
- Licence
- CC0
- Commercial use
- the licence allows it
No 3D scan of Oligorhynchia 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 itOligorhynchiidae through timeFormations of the OrdovicianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Cooper 1956