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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Praetachylasma alternatum
Taxonomy
Tachylasma alternatum was named by Huang (1932).
It was recombined as Ufimia alternata by Ruzhentsev and Sarycheva (1965); it was recombined as Praetachylasma alternatum by Ezaki (1991).
It was recombined as Ufimia alternata by Ruzhentsev and Sarycheva (1965); it was recombined as Praetachylasma alternatum by Ezaki (1991).
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Tachylasma alternatum Huang |
| 1965 | Ufimia alternata Ruzhentsev and Sarycheva figs. Pl 13, fig 5 |
| 1974 | Tachylasma alternatum Wu and Wang p. 298 figs. Pl 155, fig 6 |
| 1991 | Praetachylasma alternatum Ezaki p. 84 figs. Pl 12, fig 5 |
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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.
†Praetachylasma alternatum Huang 1932
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Wordian or 266.90000 to 264.28000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian - Capitanian | China (Sichuan) | Tachylasma alternatum (98052) | |
| Wordian | Iran | Praetachylasma alternatum (75769) | |
| Wordian | Azerbaijan | Ufimia alternata (82257 94937) | |
| Wordian | Armenia | Ufimia alternata (113805) |