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Cyrtioidea

Rhynchonellata - Spiriferida

Taxonomy
Cyrtioidea was named by Frederiks (1924).

It was assigned to Spiriferidina by Jin and Chatterton (1997) and Williams et al. (2006).

Synonyms
Synonymy list
YearName and author
1919Cyrtiacea Frederiks
1924Cyrtioidea Frederiks
1974Cyrtiacea Brunton and Champion p. 830
1997Cyrtioidea Jin and Chatterton
2006Cyrtioidea Williams et al. p. 1695

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderSpiriferida
suborderSpiriferidina
superfamilyCyrtioideaFrederiks 1924
superfamilyCyrtioideaFrederiks 1924

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Superfm. †Cyrtioidea Frederiks 1924
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Fm. †Cyrtiidae Frederiks 1924
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Subfm. †Cyrtiinae Frederiks 1924
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G. †Cyrtia Dalman 1828
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Cyrtia alatiformis Zhang 1989
Cyrtia exporrectus Wahlenberg 1818
Subfm. †Eospiriferinae Schuchert and Le Vene 1929
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G. †Eospirifer Schuchert 1913
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Subg. †Eospirifer (Eospirifer) Schuchert 1913
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Eospirifer cinghizicus Borissiak 1955
Eospirifer eastoni Gill 1949
Eospirifer ghobadiae Popov and Cocks 2013
Eospirifer marklini deVerneuil 1848
Eospirifer praecursor Rong et al. 1994
Eospirifer radiatus Sowerby 1834
G. †Espella
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Invalid names: Laevispirifer [synonym]
G. †Hedeina Boucot 1957
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Hedeina crispa Linnaeus 1758
G. †Janius Havlicek 1957
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Janius barrandi deVerneuil 1848
Janius exsul Barrande 1848
Janius nobilis Barrande 1848
Janius occidentalis Boucot et al. 1988
Janius schmidti Lindström 1861
G. †Macropleura Boucot 1963
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Invalid names: Ejnespirifer [synonym]
G. †Mictospirifer Johnson 1995
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Invalid names: Acutilineolus [synonym]
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Invalid names: Baterospirifer [synonym]
G. †Striispirifer Cooper and Muir-Wood 1951
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Striispirifer plicatellus Linnaeus 1758
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Invalid names: Delthyris cyrtaena Dalman 1828 [synonym], Striispirifer interlineatus Sowerby 1839 [synonym], Striispirifer sinuosus Hedström 1923 [synonym]
Striispirifer striolatus Lindström 1861
Fm. †Hedeinopsidae Gourvennec 1990
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Subfm. †Hedeinopsinae Gourvennec 1990
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G. †Iranospirifer Popov and Cocks 2013
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Iranospirifer qarabilensis Popov and Cocks 2013
Invalid names: Costispiriferidae Termier and Termier 1949 [empty], Cyrtiacea Frederiks 1919 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:12:52
Modified: 2004-02-28 16:12:52
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013

Age range: base of the Llanvirn to the top of the Triassic or 466.00000 to 201.30000 Ma

Collections (610 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Llanvirn466.0 - 460.9Spain (Asturias) Eospirifer sp. (21085)
Katian453.0 - 445.2China (Jiangxi) Eospirifer praecursor (210139)
Ashgill449.5 - 443.7China (Jiangxi) Eospirifer praecursor (186234 186235 186236 186238 186239 186242 186243 186245 186264 186270)
Ashgillian449.5 - 443.7China (Jiangxi) Eospirifer praecursor (186247 186248 186249 186250 186251 186259 186271 186272)
Hirnantian445.2 - 443.4China (Guizhou) Eospirifer sp. (151936 151938)
Hirnantian445.2 - 443.4Australia (Tasmania) Eospirifer sp. (167048) Eospirifer sp., Eospirifer tasmaniensis (26240)
Hirnantian445.2 - 443.4China (ZheJiang) Eospirifer sp. (7775)
Rhuddanian443.4 - 440.8China (Zhejiang) Eospirifer eosinensis (168061)
Rhuddanian443.4 - 440.8China (Henan) Eospirifer eosinensis (200178 200179)
Rhuddanian443.4 - 440.8China (Jiangxi) Eospirifer sp. (151943 151944)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Late/Upper Emsian402.5 - 391.9USA (Alaska) Eospirifer sp., Janius sp., Janius velatus, Myriospirifer myriofila (3948)
Late/Upper Emsian402.5 - 391.9Tajikistan Eospirifer davousti (45838)
Eifelian393.3 - 387.7China (Guangxi) Eospirifer lachrymosa (4029 4864)
Eifelian393.3 - 387.7Russian Federation (Nenets) Eospirifer subviator, Janius sergaensis (81606)
Eifelian393.3 - 387.7Czech Republic (Koneprusy) Cyrtia approcimans (12257)
Eifelian393.3 - 387.7USA (New York) Eospirifer indet. (77056)
Eifelian393.3 - 387.7Mongolia Eospirifer secans (79716)
Eifelian393.3 - 387.7China (Nei Mongol) Striispirifer sp. (25834)
Middle Devonian393.3 - 382.7USA (Alaska) Cyrtia sp. (111957)
Triassic252.17 - 201.3USA (Alaska) Cyrtia sp. (112298)