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Pelagiella madianensis
Taxonomy
Auriculaspira madianensis was named by Zhou and Xiao (1984). It is not extant. Its type locality is Huoqiu, Huainan, which is in an Atdabanian/Botomian carbonate limestone in the Yutaishan Formation of China.
It was recombined as Auriculatespira madianensis by He et al. (1984); it was recombined as Pelagiella madianensis by Parkhaev (2001), Wrona (2003), Topper et al. (2009), Wagner (2023).
It was recombined as Auriculatespira madianensis by He et al. (1984); it was recombined as Pelagiella madianensis by Parkhaev (2001), Wrona (2003), Topper et al. (2009), Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Auriculatespira madianensis He et al. p. 352 |
| 1984 | Auriculaspira madianensis Zhou and Xiao p. 135 figs. pl. 4 f. 13-14 |
| 2001 | Pelagiella madianensis Parkhaev p. 195 figs. pl. 46: 1–12; pl. 47: 1–8 |
| 2003 | Pelagiella madianensis Wrona p. 206 figs. f. 13C-E |
| 2009 | Pelagiella madianensis Topper et al. pp. 227 - 229 figs. 9I-O |
| 2023 | Pelagiella madianensis Wagner p. 5655 |
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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.
†Pelagiella madianensis Zhou and Xiao 1984
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. P. Topper et al. 2009 | Dextrally coiled shells displaying an ovoid to triangular, flaring aperture (Fig. 9I, L, O). The internal mould is composed of approximately 1.5 rapidly expanding whorls with the spire lying approximately at the level of the upper apertural margin or slightly lower. The exterior of the moulds bear no ornament. The largest specimen is 1.1 mm long, 660 μm high and has an apertural diameter of 550 μm. |
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Gubanov et al. 2004, Hendy et al. 2009 | |||||
Age range: base of the Atdabanian to the top of the Toyonian or 521.00000 to 508.20000 Ma
Collections (27 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | Australia (South Australia) | Pelagiella madianensis (96454) | |
| Atdabanian - Botomian | Antarctica (South Shetland Islands) | Pelagiella madianensis (49691) | |
| Atdabanian - Botomian | China (Anhui) | Auriculaspira madianensis (type locality: 107632) | |
| Botomian | Australia (South Australia) | Pelagiella madianensis (50793 67981 96914 96915 96916 96917 96958 96959 96963 96964 97723 97724 97726 97730 156332 172620) | |
| Botomian | China (Shaanxi) | Pelagiella madianensis (199515 199516 199517 199534) | |
| Lenian | Antarctica (South Shetland Islands) | Pelagiella madianensis (49692) | |
| Toyonian | Australia (South Australia) | Pelagiella madianensis (96921 96929 118172) |