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Wadispirifer ravana
Taxonomy
Spirifer ravana was named by Diener (1897). Its type specimen is GSI 6195 and is a 3D body 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 Neospirifer ravana by Waterhouse (1966), Zhang and Jin (1976), Lee and Gu (1980) and Jin and Sun (1981); it was recombined as Wadispirifer ravana by Waterhouse (2004) and Waterhouse and Chen (2007).
It was recombined as Neospirifer ravana by Waterhouse (1966), Zhang and Jin (1976), Lee and Gu (1980) and Jin and Sun (1981); it was recombined as Wadispirifer ravana by Waterhouse (2004) and Waterhouse and Chen (2007).
Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Spirifer ravana Diener p. 34 figs. Pl 3, figs 1a-c,2 |
| 1903 | Spirifer ravana Diener p. 106 |
| 1966 | Neospirifer ravana Waterhouse p. 40 figs. Pl 9, fig 2; pl 10, fig 4 |
| 1976 | Neospirifer ravana Zhang and Jin p. 208 figs. Pl 16, figs 9,10,13 |
| 1980 | Neospirifer ravana Lee and Gu p. 412 figs. Pl 177, fig 8 |
| 1981 | Neospirifer ravana Jin and Sun figs. Pl 11, fig 1 |
| 2004 | Wadispirifer ravana Waterhouse |
| 2007 | Wadispirifer ravana Waterhouse and Chen p. 49 |
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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.
†Wadispirifer ravana Diener 1897
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Waterhouse 1966 | Large Neospirifer with low ventral umbo and moderately strong plicae that persist to the anterior margin. Sulcus deep and fold high. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 2 | 36.8 | 33.0 | 41.0 | 37.0 | 5.66 |
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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 Late/Upper Pennsylvanian to the top of the Changhsingian or 307.00000 to 252.17000 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Pennsylvanian | Svalbard and Jan Mayen | Spirifer ravana (211883 211884 211885 211887) | |
| Cisuralian | Russian Federation | Neospirifer ravana (133078) | |
| Artinskian | Svalbard and Jan Mayen | Spirifer ravana (212504) | |
| Wordian | China (Jilin) | Neospirifer ravana (111179) | |
| Wordian - Capitanian | China (Heilongjiang) | Neospirifer ravana (61882 61883) | |
| Capitanian | Pakistan | Spirifer ravana (125882) | |
| Wuchiapingian | Pakistan | Spirifer ravana (125891 125897 125910 126263 127006) | |
| Wuchiapingian | China (Xizang) | Neospirifer ravana (110099) | |
| Wuchiapingian | India | Spirifer ravana (96799 type locality: 107358) | |
| Lopingian | India | Spirifer ravana (230331 230334) | |
| Wuchiapingian - Changhsingian | Pakistan | Spirifer ravana (126751 126753) | |
| Changhsingian | China (Xizang) | Neospirifer ravana (121595) |