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Wyatkina
Taxonomy
Wyatkina was named by Fredericks (1931) [Sepkoski's age data: P Sepkoski's reference number: 1]. It is not extant.
It was assigned to Aulosteginae by Muir-Wood and Cooper (1960), Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Taeniothaerinae by Waterhouse (2004).
It was assigned to Aulosteginae by Muir-Wood and Cooper (1960), Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Taeniothaerinae by Waterhouse (2004).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Wyatkina Fredericks |
| 1960 | Wyatkina Muir-Wood and Cooper p. 99 |
| 2000 | Wyatkina Williams et al. p. 587 |
| 2002 | Wyatkina Sepkoski |
| 2004 | Wyatkina Waterhouse |
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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. †Wyatkina Fredericks 1931
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†Wyatkina gigantiformis Grabau 1931
†Wyatkina gigas Netschajew 1894
†Wyatkina tholus Keyserling 1854
†Wyatkina tibetensis Waterhouse 2004
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 19.3 | 16.5 | 22.5 | 19.5 | 4.24 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Williams et al. 2000, Nesnidal et al. 2013 | |||||
Age range: base of the Wordian to the top of the Wuchiapingian or 266.90000 to 254.14000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | China (Nei Mongol) | Aulosteges gigantiformis (109091) | |
| Wuchiapingian | India | Aulosteges gigas (230621) | |
| Wuchiapingian | China (Xizang) | W. tibetensis (60582) |