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Betaneospirifer ambiensis
Taxonomy
Spirifer ambiensis was named by Waagen (1883). Its type specimen is GSI 3524 and is not a trace fossil. Its type locality is Amb, very highest beds of Productus-limestone, Salt Range, which is in a Changhsingian coastal sandstone in the Chhidru Formation of Pakistan.
It was recombined as Neospirifer ambiensis by Waterhouse (1978) and Lee and Gu (1980); it was recombined as Betaneospirifer ambiensis by Waterhouse (2004).
It was recombined as Neospirifer ambiensis by Waterhouse (1978) and Lee and Gu (1980); it was recombined as Betaneospirifer ambiensis by Waterhouse (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Spirifer ambiensis Waagen p. 515 figs. Pl 48, fig 1 |
| 1978 | Neospirifer ambiensis Waterhouse p. 41 figs. Pl 4, figs 8-16 |
| 1980 | Neospirifer ambiensis Lee and Gu p. 412 figs. Pl 177, fig 14 |
| 2004 | Betaneospirifer ambiensis Waterhouse p. 115 |
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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.
†Betaneospirifer ambiensis Waagen 1883
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 20.0 |
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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: base of the Wordian to the top of the Changhsingian or 266.90000 to 252.17000 Ma
Collections (27 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | China (Jilin) | Neospirifer ambiensis (111163 111179) | |
| Wordian - Capitanian | China (Heilongjiang) | Neospirifer ambiensis (111166) | |
| Wuchiapingian | Pakistan | Spirifer ambiensis (126002 126007 126263 126295 127005 127030) | |
| Wuchiapingian | India | Spirifer musakhelensis (96799 107358) | |
| Wuchiapingian | China (Xizang) | Spirifer musakheylensis (89203) | |
| Wuchiapingian | Nepal | Neospirifer ambiensis (43115 43116 43118 43120 43121 43123 43124 43125 43126 43128 43130 43131 43134) | |
| Changhsingian | Pakistan | Spirifer ambiensis (type locality: 81504) | |
| Changhsingian | Nepal | Neospirifer moosakhailensis (99791) |