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Nikiforovaena
Taxonomy
Nikiforovaena is a genus. It is not extant.
It was assigned to Spiriferida by Sepkoski (2002); and to Pinguispiriferinae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); and to Pinguispiriferinae by Williams et al. (2006).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Nikiforovaena Sepkoski |
| 2006 | Nikiforovaena Williams et al. p. 1709 |
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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. †Nikiforovaena
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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 | |||||
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Telychian | China (Sichuan) | N. sp. (27908) | |
| Wenlock - Pridoli | China (Sichuan) | N. sp. (27812) | |
| Ludlow | China (Jilin) | N. sp. (25849) | |
| Ludlow | China (Yunnan) | N. sp. (27771) | |
| Lochkovian | China (Guangxi) | N. guangxiensis (41058) | |
| Pragian | Russian Federation (Bashkortostan) | N. baschkirica (81649 81654) | |
| Pragian | Australia (New South Wales) | N. sp. (25696) | |
| Pragian | China (Guangxi) | N. guangxiensis (13038) N. guangxiensis, N. ferganensis (12928) |