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Cyrtina
Taxonomy
Cyrtina was named by Davidson (1858) [Sepkoski's age data: S Wenl C Vise-u Sepkoski's reference number: 2,48,435,1066]. It is the type genus of Cyrtinidae.
It was assigned to Spiriferida by Sepkoski (2002); and to Cyrtinidae by Brunton and Champion (1974), Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); and to Cyrtinidae by Brunton and Champion (1974), Williams et al. (2006).
Species
Species lacking formal opinion data
C. acutirostris, C. acutirostris, C. alpenensis, C. amplectans, C. arkonensis, C. caroline, C. dalmani, C. demarlii, C. douvillei, C. gracilima, C. hamiltoniae, C. hamiltoniensis, C. heteroclita, C. heteroclita, C. heterodita, C. hibernica, C. hibernica, C. imbricata, C. inulta, C. iowaensis, C. kazi, C. leniplicata, C. maclennani, C. morana, C. neogenes, C. paucicostata, C. pedunculata, C. planarea, C. platypleura, C. pracedens, C. praecedens, C. pyramidalis, C. recta, C. rostrata, C. sauvagei, C. septosa, C. sinuplicate, C. teta, C. triqueira, C. triquetra, C. umbonata, C. utrimquesulcata, C. variabilis, C. wellingtonensis
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1858 | Cyrtina Davidson |
| 1974 | Cyrtina Brunton and Champion p. 833 |
| 2002 | Cyrtina Sepkoski |
| 2002 | Trochalocyrtina Sepkoski |
| 2006 | Cyrtina Williams et al. p. 1881 |
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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.
G. †Cyrtina Davidson 1858
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Subg. †Cyrtina (Cyrtina) Davidson 1858
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†Cyrtina (Cyrtina) heteroclyta DeFrance 1819
†Cyrtina (Cyrtina) heteroclyta gregale Talent 1963
†Cyrtina billingsi Meek 1868
†Cyrtina bouchardi Brice 1988
†Cyrtina burlingtonensis Rowley 1893
†Cyrtina davidsoni Walcott 1884
†Cyrtina hamiltonensis Hall 1857
†Cyrtina katzeri Bittner 1902
†Cyrtina minuta Wang 1985
†Cyrtina varia Clarke 1900
†Cyrtina walteri Bittner 1902
Invalid names: Trochalocyrtina [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Llandovery to the top of the Rhaetian or 443.10000 to 201.40000 Ma
Collections (592 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | USA (New York) | C. sp. (463) | |
| Sheinwoodian | USA (New York) | C. pyramidalis (82511) | |
| Wenlock | USA (New York) | C. sp. (473) | |
| Wenlock - Ludlow | Canada (Northwest Territories) | C. sp. (188869) | |
| Ludlow | Canada (Northwest Territories) | C. sp. (534) | |
| Ludlow - Pridoli | USA (California) | C. sp. (79807) | |
| Ludlow - Pridoli | China (Gansu) | C. pracedens, C. praecedens (27757) | |
| Pridoli | USA (Nevada) | C. sp. (180186) | |
| Pridoli - Lochkovian | USA (Oklahoma) | C. dalmani (26826) | |
| Pridoli - Helderbergian | Ukraine | C. praecedens (23488) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Chadian - Arundian | USA (Tennessee) | C. burlingtonensis (6915) | |
| Chadian - Holkerian | United Kingdom (England) | C. burlingtonensis (5509 5512) | |
| Artinskian | Svalbard and Jan Mayen | C. septosa (212503) | |
| Middle Triassic | Bosnia and Herzegovina | C. katzeri (203841) | |
| Middle Triassic | Romania | C. walteri (203525) | |
| Pelsonian - Illyrian | China (Guizhou) | Cyrtina indet. (31615 31617 31618 31619 31620 31621 31622 31623 31624 31625 31627 31628 31629) | |
| Julian | Italy | C. sp. (69674) | |
| Carnian | Canada (British Columbia) | C. sp. (44395) | |
| Late/Upper Triassic | USA (Alaska) | C. sp. (40672 40683) | |
| Rhaetian | Ukraine | C. sp. (133097) | |