Cleiothyridina
Searched as Cleiothyridina hirsuta darwinensis. The Paleobiology Database treats Cleiothyridina as the accepted name.
Cleiothyridina is an extinct genus of brachiopods.

Uncredited · 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
- CleiothyridininaePBDB
- Diet
- suspension feederPBDB, for Athyrididina
- Life habit
- low-level epifaunalPBDB, for Athyrididina
- Motility
- stationaryPBDB, for Athyrididina
- Vision
- blindPBDB, for Rhynchonellata
- Environment
- marinePBDB, for Lophophorata
Time the record covers
At most 14 million years on record.
Every occurrence read is dated to somewhere between 335.4 Mya and 321.8 Mya, and nothing in the dating separates them, so that window is what the record shows rather than a span.
3 occurrences of Cleiothyridina on record, most of them in the Carboniferous. 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
3 occurrences- Carboniferous100%
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
1 formation
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The named rock units Cleiothyridina has been recovered from, largest first. Drawn where the rock is now, not where it formed.
Cleiothyridina and its relatives
CarboniferousWhere Cleiothyridina and its relatives were recorded in the Carboniferous.
Found in the same rock
931 taxa- Fenestella96 sites
- Fistulipora82 sites
- Eumetria79 sites
- Archimedes67 sites
- Pentremites67 sites
- Composita60 sites
- Anthracospirifer leidyi58 sites
- Torynifer57 sites
- Echinoidea55 sites
- Tabulipora52 sites
- Dichocrinus50 sites
- Orthotetes50 sites
- Punctospirifer50 sites
- Polypora47 sites
- Rhombopora47 sites
- Spirifer46 sites
- Composita trinuclea45 sites
- Reticulariina45 sites
- Pterotocrinus44 sites
- Rhabdomeson44 sites
- Paladin42 sites
- Camptocrinus41 sites
- Bryozoa40 sites
- Aphelacrinus sp.39 sites
The Paleobiology Database records 1,241 sites for Cleiothyridina, and this reads 240 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
1 referenceEach of the 3 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 doi.org. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content1
Picture of Cleiothyridina
- Source
- Wikipedia/Commons
- Credit
- nobody named on the record
- Licence
- not stated by the source
- Commercial use
- cannot be read from the licence given — check the record
No 3D scan of Cleiothyridina 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.
The description on this site
- 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 itCleiothyridininae through timeFormations of the CarboniferousThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. (Buckman 1906)