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Dagyssia
Taxonomy
Dagyssia was named by Gaetani and Mantovani (2015). It is not extant. Its type is Spiriferina paleotypus lineolata.
It was assigned to Mentzeliinae by Guo et al. (2019).
It was assigned to Mentzeliinae by Guo et al. (2019).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2015 | Dagyssia Gaetani and Mantovani |
| 2019 | Dagyssia Guo et al. |
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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. †Dagyssia Gaetani and Mantovani 2015
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†Dagyssia multicostata Yang and Xu 1966
†Dagyssia palaeotypus Loretz 1875
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 7.85 | 6.00 | 9.40 | 8.00 | 0.832 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Pelsonian or 244.24000 to 243.33000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | China (Guizhou) | Mentzelia multicostata (201820) | |
| Pelsonian | China (Guizhou) | Hirsutella multicostata (31610) | |
| Pelsonian - Illyrian | China (Yunnan) | D. multicostata (206770) | |
| Pelsonian - Illyrian | China (Guizhou) | Hirsutella multicostata (31611 31612 31613 31614 31615 31617 31618 31620 31621 31622 31623 31624 31625 31626 31627) Mentzelia multicostata (152031) |