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Permokegelites beichuanensis
Taxonomy
Permokegelites beichuanensis was named by Becker and Wang (1992). Its type specimen is NIGP 115677, a valve (left valve), and it is a 3D body fossil. Its type locality is Beichuan, sample ACF1-275, which is in a Wuchiapingian carbonate limestone in the Wujiaping Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Permokegelites beichuanensis Becker and Wang p. 16 figs. Pl 3, figs 2-4 |
| 2004 | Permokegelites beichuanensis Yi p. 562 figs. Pl 1, fig 10 |
| 2018 | Permokegelites beichuanensis Tanaka p. 10 fig. 5E,F |
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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.
†Permokegelites beichuanensis Becker and Wang 1992
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 4 | 0.371 | 0.310 | 0.429 | 0.380 | 0.059 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Alvarez et al. 2008 | |||||
Age range: base of the Sakmarian to the top of the Changhsingian or 293.52000 to 251.90200 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | Japan | Permokegelites beichuanensis (197662) | |
| Wuchiapingian | China (Sichuan) | Permokegelites beichuanensis (type locality: 143434) | |
| Changhsingian | China (Fujian) | Permokegelites beichuanensis (121212 121292 121293) |