Cyrtioidea
No picture of Cyrtioidea was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Cyrtioidea, or no answer at all. This entry cannot say which.
On record
Recorded, not inferred- Sits inside
- SpiriferidinaPBDB
- Diet
- suspension feederPBDB, for Spiriferida
- Life habit
- epifaunalPBDB, for Spiriferida
- Motility
- stationaryPBDB, for Spiriferida
- Vision
- blindPBDB, for Rhynchonellata
- Environment
- marinePBDB, for Lophophorata
Time the record covers
At least 206 million years on record.
The record covers at least 458.2 Mya to 251.902 Mya. No occurrence read is dated outside 468 Mya to 201.4 Mya.
931 occurrences of Cyrtioidea on record, most of them in the Silurian. 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
931 occurrences- Ordovician3%
- Silurian85%
- Devonian13%
- Early Triassicunder 1%
- Middle Triassicunder 1%
- Late Triassicunder 1%
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
217 formations
- Motol Formation48
- Scotch Grove Formation35
- Racine Formation31
- Much Wenlock Formation21
- Rochester Shale Formation · Clinton Group20
- Canon de Caballeros Formation17
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The named rock units Cyrtioidea has been recovered from, largest first. Drawn where the rock is now, not where it formed. 193 further formations hold fewer occurrences each and are not listed. 115 occurrences have no formation on record, which is common for older literature.
Cyrtioidea and its relatives
SilurianWhere Cyrtioidea and its relatives were recorded in the Silurian.
Found in the same rock
2,146 taxa- Eospirifer89 sites
- Atrypa81 sites
- Atrypa reticularis72 sites
- Isorthis71 sites
- Cyrtia62 sites
- Favosites60 sites
- Resserella57 sites
- Howellella55 sites
- Bryozoa54 sites
- Leptaena54 sites
- Eospirifer radiatus53 sites
- Dalejina52 sites
- Gypidula48 sites
- Crinoidea47 sites
- Gastropoda47 sites
- Leptaena rhomboidalis44 sites
- Rugosa41 sites
- Calymene39 sites
- Heliolites39 sites
- Trilobita39 sites
- Atrypina37 sites
- Whitfieldella37 sites
- Bivalvia36 sites
- Fardenia (Coolinia)36 sites
The Paleobiology Database records 583 sites for Cyrtioidea, 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
156 references- Caradocian-Gedinnian echinoderm associations of Central and Eastern North America65
- Correlation of the Silurian rocks of China55
- The Clinton of Western and Central New York47
- Silurian and Lochkovian communities in the Prague basin (Barrandian area, Czech Republic)42
- Silurian Reefs of Gotland33
- Silurian field excursions: Prague Basin (Barrandian), Bohemia28
- A review of Silurian brachiopods from Gotland28
- Wenlockian fossil communities in New York State and adjacent areas: Paleontology and Paleoecology26
- Community paleoecology as a geologic tool: the Chinese Ashgillian-Eifelian (latest Ordovician through early Middle Devonian) as an example24
- Silurian brachiopod and related benthic communities from carbonate platform and mound environments of Iowa and surrounding areas21
- Brakhiopody Pentamerida i Spiriferida silura Estonii - Siluran Brachiopods Pentamerida and Spiriferida of Estonia21
- Late Ordovician brachiopod communities of southeast China18
Each of the 931 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. 144 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 content0
No picture of Cyrtioidea was found. Wikipedia, Wikidata, iDigBio and Smithsonian Open Access were searched and had none.
GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Cyrtioidea, or no answer at all. This entry cannot say which.
No 3D scan of Cyrtioidea was found in Smithsonian Open Access and Sketchfab.
MorphoSource 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 itSpiriferidina through timeFormations of the SilurianThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Frederiks 1924