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Pseudosyringothyris
Taxonomy
Cyrtia (Pseudosyringothyris) was named by Fredericks (1916). Its type is Cyrtia (Pseudosyringothyris) karpinskii.
It was reranked as Pseudosyringothyris by Kalashnikov (1998), Sepkoski (2002) and Williams et al. (2006).
It was assigned to Cyrtia by Fredericks (1916); to Syringothyrididae by Kalashnikov (1998); to Spiriferida by Sepkoski (2002); and to Permasyrinxinae by Williams et al. (2006).
It was reranked as Pseudosyringothyris by Kalashnikov (1998), Sepkoski (2002) and Williams et al. (2006).
It was assigned to Cyrtia by Fredericks (1916); to Syringothyrididae by Kalashnikov (1998); to Spiriferida by Sepkoski (2002); and to Permasyrinxinae by Williams et al. (2006).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1916 | Cyrtia (Pseudosyringothyris) Fredericks |
| 1998 | Pseudosyringothyris Kalashnikov p. 41 |
| 2002 | Pseudosyringothyris Sepkoski |
| 2006 | Pseudosyringothyris Williams et al. p. 1900 |
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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. †Pseudosyringothyris Fredericks 1916
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†Pseudosyringothyris borealis Gobbett 1964
†Pseudosyringothyris karpinskii Fredericks 1916
†Pseudosyringothyris russiensis Zavodowsky 1968
†Pseudosyringothyris ustritskyi Kalashnikov 1981
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 44.0 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Visean | Iran | P. sp. (90015) | |
| Sakmarian | Russian Federation | P. ustritskyi (109938) | |
| Kungurian | Svalbard and Jan Mayen | P. borealis (120921) | |
| Kungurian | Russian Federation | P. karpinskii (81149 81151 110008) | |
| Roadian - Wordian | Russian Federation | P. russiensis (121558) | |
| Wordian | China (Nei Mongol) | P. sp. (112667) |