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Guizhouspira
Taxonomy
Guizhouspira was named by Wang (1980) [Sepkoski's age data: P Djhu P Dora Sepkoski's reference number: 797,1130
Wang in Wang & Xi 1980;
Note: The original description gives G. gibbicircella as the type, but later papers give G. alticonica as the type. ].
It was synonymized subjectively with Baylea by Karapunar and Nützel (2022).
It was assigned to Omospirinae by Wang and Xi (1980); to Eotomariidae by Pan and Erwin (2002); to Archaeogastropoda by Sepkoski (2002); and to Gosseletininae by Wagner (2023).
It was synonymized subjectively with Baylea by Karapunar and Nützel (2022).
It was assigned to Omospirinae by Wang and Xi (1980); to Eotomariidae by Pan and Erwin (2002); to Archaeogastropoda by Sepkoski (2002); and to Gosseletininae by Wagner (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Guizhouspira Wang p. 212 |
| 1980 | Guizhouspira Wang and Xi p. 212 |
| 2002 | Guizhouspira Pan and Erwin p. 7 |
| 2002 | Zhonghuaspira Pan and Erwin p. 7 |
| 2002 | Guizospira Sepkoski |
| 2023 | Guizhouspira Wagner p. G1746 |
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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.
G. †Guizhouspira Wang 1980
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†Guizhouspira convexa Wang 1980
†Guizhouspira gibbicircella Wang 1980
†Guizhouspira gibbicircelloides Wang 1982
†Guizhouspira sequens Waagen 1880
†Guizhouspira venusta Zhu 1995
Invalid names: Zhonghuaspira Pan and Erwin 2002 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 11.8 | 7.20 | 16.7 | 11.8 | 3.55 |
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| Source: f = family, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009 | |||||
Age range: base of the Wuchiapingian to the top of the Spathian or 259.90000 to 247.20000 Ma
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Guizhou) | G. convexa, G. sequens (119961) G. gibbicircella (111994 111997 112100 112107 119958) | |
| Wuchiapingian | Pakistan | Pleurotomaria sequens (126737 126895 126939) | |
| Wuchiapingian | China (Guangxi) | G. gibbicircelloides (112401) Zhonghuaspira sp. (50023 50025 50026) | |
| Wuchiapingian - Changhsingian | Pakistan | Pleurotomaria sequens (126704 126752 127014) | |
| Changhsingian | China (Guangxi) | G. gibbicircelloides (107296 112397) Zhonghuaspira gibbicircelloides (56891 56892) | |
| Changhsingian | Pakistan | Pleurotomaria sequens (89061 90251 119554 119608 119637 119677 126896 126933 126981 126988) | |
| Changhsingian | China (Guizhou) | G. convexa (111993) G. gibbicircella (111992) G. gibbicircella, G. convexa (112091) | |
| Spathian | China (Qinghai) | G. venusta (56724) |