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Alatorthotetina
Taxonomy
Alatorthotetina was named by He and Zhu (1985) [Sepkoski's age data: P u Sepkoski's reference number: 881]. Its type is Alatorthotetina sichuanensis.
It was assigned to Meekellinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Meekellinae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Alatorthotetina He and Zhu p. 200 |
| 2000 | Alatorthotetina Williams et al. p. 660 |
| 2002 | Alatorthotetina Sepkoski |
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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. †Alatorthotetina He and Zhu 1985
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†Alatorthotetina derbyiformis He and Zhu 1985
†Alatorthotetina sichuanensis He and Zhu 1985
†Alatorthotetina speciosa Liao 1980
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Wordian to the top of the Changhsingian or 266.90000 to 251.90200 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | Türkiye | A. sp. (47907 47908 47913) | |
| Wuchiapingian | Türkiye | A. sp. (95524 95525 95527) | |
| Wuchiapingian | China (Chongqing) | A. sichuanensis (109648) | |
| Wuchiapingian | China (Guangdong) | A. derbyiformis (211805 229438) | |
| Wuchiapingian | China (Sichuan) | A. sichuanensis, A. derbyiiformis (95647) | |
| Wuchiapingian | China (Guizhou) | Orthothetina speciosa (112002) | |
| Changhsingian | China (Chongqing) | A. speciosa (156847) |