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Gyrocystis
Taxonomy
Gyrocystis was named by Jaekel (1918) [Sepkoski's age data: Cm mMid-u Sepkoski's reference number: 805]. Its type is Gyrocystis platessa.
It was assigned to Cincta by Sepkoski (2002); and to Gyrocystidae by Zamora and Alvaro (2010) and Zamora et al. (2023).
It was assigned to Cincta by Sepkoski (2002); and to Gyrocystidae by Zamora and Alvaro (2010) and Zamora et al. (2023).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1918 | Gyrocystis Jaekel pp. 114, 120 |
| 2002 | Decacystis Sepkoski |
| 2002 | Gyrocystis Sepkoski |
| 2010 | Gyrocystis Zamora and Alvaro p. 1352 |
| 2023 | Gyrocystis Zamora et al. p. 5 fig. 2 |
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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. †Gyrocystis Jaekel 1918
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†Gyrocystis badulesiensis Friedrich 1993
†Gyrocystis barrandei Munier-Chalmas et al. 1889
†Gyrocystis cruzae Gil Cid and Domínguez Alonso 1995
†Gyrocystis erecta Friedrich 1993
†Gyrocystis platessa Jaekel 1918
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Invalid names: Gyrocystis hispanica Gislen 1927 [synonym], Gyrocystis praeellipticus Termier and Termier 1973 [synonym]
†Gyrocystis testudiformis Friedrich 1993
Invalid names: Decacystis [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, p = phylum | |||||
| References: Aberhan 1992, Raman et al. 2015 | |||||
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Solvan | Spain (Zaragoza) | G. platessa (90553) | |
| Middle Cambrian | Spain (León) | G. platessa (199045) G. sp. L (90554 199042 199044) | |
| Middle Cambrian | France (Languedoc-Roussillon) | Decacystis praeellipticus (199485 199486) G. platessa (198923 198927) | |
| Middle Cambrian | Spain (Asurias) | Decacystis hispanica (198906) | |
| Middle Cambrian | Spain (Zaragoza) | G. n. sp. A, G. platessa, G. testudiformis (198915) G. platessa (198910 198912 198913) G. testudiformis (198911 198914 198916) | |
| Middle Cambrian | Spain (Aragon) | G. erecta (198937) | |
| Middle Cambrian | Spain | G. badulesiensis (198934) G. erecta, G. badulesiensis (198933) | |
| St Davids | Spain (Zaragoza) | G. platessa (141553 141554) | |
| Menevian | Spain (Zaragoza) | G. platessa (192403) |