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Fusispirifer nitiensis
Taxonomy
Spirifer nitiensis was named by Diener (1897). It is not a trace fossil. Its type locality is Kiunglung Camp, SW of Niti Pass, which is in a Wuchiapingian marine shale in the Productus Shale Formation of India.
It was recombined as Spirifer (Neospirifer) fasciger nitiensis by Reed (1931); it was recombined as Neospirifer nitiensis by Fantini Sestini (1965); it was recombined as Fusispirifer nitiensis by Waterhouse (1966), Waterhouse (1978) and Waterhouse (2004).
It was recombined as Spirifer (Neospirifer) fasciger nitiensis by Reed (1931); it was recombined as Neospirifer nitiensis by Fantini Sestini (1965); it was recombined as Fusispirifer nitiensis by Waterhouse (1966), Waterhouse (1978) and Waterhouse (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Spirifer nitiensis Diener p. 41 figs. Pl 4, figs 4,5a-c |
| 1903 | Spirifer nitiensis Diener pp. 106, 188 figs. Pl 4, figs 6,7 |
| 1915 | Spirifer nitiensis Diener p. 85 |
| 1931 | Spirifer (Neospirifer) fasciger nitiensis Reed p. 20 figs. Pl 4, figs 10,10a, 11 |
| 1965 | Neospirifer nitiensis Fantini Sestini p. 141 figs. Pl 20, fig 1 |
| 1966 | Fusispirifer nitiensis Waterhouse p. 44 figs. Pl 9, fig 5; pl 11, figs 1,3,4; pl 12, fig 1 |
| 1978 | Fusispirifer nitiensis Waterhouse p. 94 figs. Pl 17, figs 1,6 |
| 2004 | Fusispirifer nitiensis Waterhouse |
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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.
†Fusispirifer nitiensis Diener 1897
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Waterhouse 1966 | Transverse shells with low umbones, narrow sulcus posteriorly,
low short plicae and moderately strong costae. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 33.1 | 18.0 | 61.0 | 39.5 | 30.4 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Kungurian to the top of the Changhsingian or 279.30000 to 252.17000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | Russian Federation | Fusispirifer nitiensis (82076) | |
| Wuchiapingian | Pakistan | Spirifer fasciger (236231 236232) | |
| Wuchiapingian | India | Spirifer nitiensis (46291 type locality: 107358 230621 230630 230634) | |
| Lopingian | Pakistan | Spirifer fasciger (236244) | |
| Lopingian | India | Spirifer nitiensis (230329 230330 230331 230849) | |
| Changhsingian | Nepal | Fusispirifer nitiensis (120444 120449) |