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Nudispiriferina
Taxonomy
Nudispiriferina was named by Yang and Xu (1966) [Sepkoski's age data: Tr].
It was assigned to Spiriferida by Sepkoski (2002); and to Balatonospirinae by Williams et al. (2006), Guo et al. (2019).
It was assigned to Spiriferida by Sepkoski (2002); and to Balatonospirinae by Williams et al. (2006), Guo et al. (2019).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Nudispiriferina Yang and Xu p. 47 |
| 2002 | Nudispiriferina Sepkoski |
| 2006 | Nudispiriferina Williams et al. p. 1922 |
| 2019 | Nudispiriferina 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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 3.95 | 3.20 | 5.00 | 3.80 | 0.734 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | China (Qinghai) | N. minima (101039) | |
| Anisian | China (Guizhou) | N. minima (44726) | |
| Pelsonian | China (Guizhou) | N. minima (31610) | |
| Pelsonian - Illyrian | China (Guizhou) | N. minima (31611 31612 31613 31614 31615 31616 31618 31619 31620 31622 31627 31628 31629 31630 31632 44252 206771) | |
| Pelsonian - Illyrian | China (Yunnan) | N. minima (206770) | |
| Ladinian | China (Guizhou) | N. sp. (44723) |